{"product":{"catalog_id":"1b65b63d-ff2b-4ce6-97ca-ae6e174ecbc3","is_eligible_search":true,"is_eligible_checkout":false,"item_id":"45596002418876","title":"Flint Replacement Pack","description":"The Flint Replacement Pack from Tsubota Pearl contains 20 replacement flints in a compact glass jar with a white ribbed screw cap. These flints are softer than standard lighter flints, designed for Tsubota Pearl's micro-wheel mechanism, and compatible with most flint wheel lighters. The jar measures 40mm in height and 12mm in diameter, weighs 6g, and the flints are made of flint material.","url":"https://pudl.store/products/tsubota-pearl-flint-replacement-pack","brand":"Tsubota Pearl","condition":"new","product_category":"Hardware > Tools > Lighters & Matches","material":"Flint","dimensions":"12mm (diameter) x 40mm (height)","length":"40 mm","width":"12 mm","height":"40","dimensions_unit":"mm","weight":"6 g","item_weight_unit":"g","age_group":"adult","image_url":"https://cdn.shopify.com/s/files/1/0706/2664/0060/files/Tsubota_Flints.jpg?v=1768713848","additional_image_urls":["https://cdn.shopify.com/s/files/1/0706/2664/0060/files/Tsubota_Flints_2.jpg?v=1768794833"],"images":[{"id":"img-1785866413568-0","url":"https://cdn.shopify.com/s/files/1/0706/2664/0060/files/Tsubota_Flints.jpg?v=1768713848","width":2752,"height":4128,"alt_text":"Flint Replacement Pack product image (primary)","position":1,"attributes":{"other":{"summary":"Studio-style product shot centered in frame on a neutral beige background with soft even lighting and a soft shadow to the lower left of the bottle.","observations":[{"key":"Shot composition","kind":"feature","value":"Vertical crop centered on the upper two thirds of the bottle; ample negative space above and around the product.","regions":[],"evidence_status":"direct"},{"key":"Background","kind":"feature","value":"Uniform neutral beige background with no visible texture or props.","regions":[],"evidence_status":"direct"},{"key":"Lighting and shadow","kind":"feature","value":"Soft, diffused light producing a faint soft-edged shadow offset slightly down-left from the bottle.","regions":[],"evidence_status":"direct"},{"key":"Image quality","kind":"feature","value":"Sharp focus on bottle and cap; minimal noise and even exposure.","regions":[],"evidence_status":"direct"}]},"colors":[{"name":"matte white","part":"cap","regions":[{"x":0.41,"y":0.1,"width":0.18,"height":0.16,"confidence":"high"}],"subject":"product","description":"Opaque white plastic with a matte finish and vertical ribbing.","estimated_hex":"#F5F5F5"},{"name":"medium red","part":"label background","regions":[{"x":0.39,"y":0.3,"width":0.22,"height":0.56,"confidence":"high"}],"subject":"product","description":"Solid red printed label with a flat finish wrapping the bottle body.","sampled_hex":"#920B04","estimated_hex":"#C33A2F"},{"name":"matte black","part":"label graphic","regions":[{"x":0.4,"y":0.4,"width":0.12,"height":0.3,"confidence":"high"}],"subject":"product","description":"Black graphic elements on the label, appearing as flame-like shapes.","estimated_hex":"#111111"},{"name":"bright white","part":"label printed numerals","regions":[{"x":0.43,"y":0.44,"width":0.12,"height":0.3,"confidence":"high"}],"subject":"product","description":"Large white printed numerals and letters on the red label with an opaque finish.","estimated_hex":"#FFFFFF"}],"product":{"summary":"A small clear cylindrical glass vial with a white ribbed plastic screw cap and a red printed label showing large white numerals and black graphic elements.","observations":[{"key":"Cap geometry","kind":"feature","value":"Cylindrical white plastic screw cap with vertical ribbed texture around the side and a flat slightly recessed top surface.","regions":[{"x":0.41,"y":0.1,"width":0.18,"height":0.16,"confidence":"high"}],"evidence_status":"direct"},{"key":"Neck and shoulder","kind":"feature","value":"Clear glass neck visible below the cap with a rounded transition to the bottle body; glass is transparent and shows inner cavity.","regions":[{"x":0.43,"y":0.24,"width":0.14,"height":0.06,"confidence":"high"}],"evidence_status":"direct"},{"key":"Label print","kind":"feature","value":"Red wraparound label covering the visible bottle body with large white numerals and partial lowercase letters plus black flame-like graphic elements.","regions":[{"x":0.39,"y":0.3,"width":0.22,"height":0.56,"confidence":"high"}],"evidence_status":"direct"},{"key":"Visible numeral text","kind":"text","value":"20","regions":[{"x":0.43,"y":0.44,"width":0.1,"height":0.18,"confidence":"high"}],"evidence_status":"direct"},{"key":"Visible letter text","kind":"text","value":"fli","regions":[{"x":0.48,"y":0.56,"width":0.12,"height":0.18,"confidence":"medium"}],"evidence_status":"partial"},{"key":"Base rim","kind":"feature","value":"Rounded glass base rim visible at the bottom of the bottle, showing slight shadow and reflection on the surface below.","regions":[{"x":0.44,"y":0.76,"width":0.12,"height":0.1,"confidence":"high"}],"evidence_status":"direct"}]},"packaging":{"observations":[]},"schema_version":2,"coordinate_space":{"units":"normalized","origin":"top_left"}},"variant_ids":["45596002418876"]},{"id":"img-1785866413568-1","url":"https://cdn.shopify.com/s/files/1/0706/2664/0060/files/Tsubota_Flints_2.jpg?v=1768794833","width":2752,"height":4128,"alt_text":"Flint Replacement Pack product image 2","position":2,"attributes":{"other":{"summary":"Close-up still-life composition on a neutral matte background with soft, diffuse lighting and subtle shadows beneath objects. Image is cropped with product clustered in the lower half of the frame.","observations":[{"key":"Shot composition","kind":"feature","value":"Tight low-angle close-up with objects arranged near the bottom center and right of the frame, leaving a large empty background area above.","regions":[],"evidence_status":"direct"},{"key":"Background","kind":"feature","value":"Smooth uniform neutral-beige surface and backdrop with even tone and minimal texture.","regions":[],"evidence_status":"direct"},{"key":"Lighting and shadows","kind":"feature","value":"Soft, diffuse lighting produces gentle shadows under the cap, bottle, and flints; highlights on the glass mouth indicate a frontal or slightly top-left light source.","regions":[],"evidence_status":"direct"},{"key":"Image crop","kind":"feature","value":"Top and left areas contain ample negative space; lower-right corner includes the bottle base partially cropped out of frame.","regions":[],"evidence_status":"direct"}]},"colors":[{"name":"matte red","part":"label","regions":[{"x":0.625,"y":0.475,"width":0.33,"height":0.22,"confidence":"high"}],"subject":"product","description":"Matte red paper wrap with printed large white letters and small black vertical text.","sampled_hex":"#820C03","estimated_hex":"#C0322A"},{"name":"clear glass","part":"glass body and neck","regions":[{"x":0.195,"y":0.515,"width":0.185,"height":0.125,"confidence":"high"},{"x":0.52,"y":0.52,"width":0.18,"height":0.18,"confidence":"medium"}],"subject":"product","description":"Transparent clear glass showing highlights and subtle neutral reflections.","sampled_hex":"#D1C3BD"},{"name":"bright white","part":"cap","regions":[{"x":0.1,"y":0.62,"width":0.2,"height":0.22,"confidence":"high"}],"subject":"product","description":"Opaque white plastic with a vertical ribbed texture and matte finish.","estimated_hex":"#FFFFFF"},{"name":"matte black","part":"flints","regions":[{"x":0.18,"y":0.78,"width":0.48,"height":0.2,"confidence":"high"}],"subject":"product","description":"Small solid matte black cylindrical pieces scattered on the surface.","estimated_hex":"#000000"}],"product":{"summary":"A small clear glass vial is shown lying on its side with a red paper label; its open threaded neck faces left. Several small cylindrical black flint pieces are scattered nearby and a white ribbed plastic screw cap sits upright beside the vial.","observations":[{"key":"Bottle neck","kind":"feature","value":"Clear cylindrical glass neck with visible threads and an open round mouth; bottle is lying on its side with the mouth pointing left and slightly upward.","regions":[{"x":0.195,"y":0.515,"width":0.185,"height":0.125,"confidence":"high"}],"evidence_status":"direct"},{"key":"Glass body and label","kind":"feature","value":"Transparent glass body with a wrapped red paper label showing large white block letters and a small vertical black handwritten-style line of text; only part of the label text is visible because the bottle is rotated on its side.","regions":[{"x":0.575,"y":0.465,"width":0.365,"height":0.235,"confidence":"high"}],"evidence_status":"direct"},{"key":"Label text fragment","kind":"text","value":"FLIN","regions":[{"x":0.665,"y":0.515,"width":0.195,"height":0.195,"confidence":"high"}],"evidence_status":"partial"},{"key":"Small vertical text","kind":"text","value":"by Tsu","regions":[{"x":0.605,"y":0.465,"width":0.12,"height":0.18,"confidence":"medium"}],"evidence_status":"partial"},{"key":"Loose flints","kind":"feature","value":"Multiple small cylindrical black pellets scattered on the surface near the bottle opening; they appear matte and solid-colored.","regions":[{"x":0.18,"y":0.78,"width":0.48,"height":0.2,"confidence":"high"}],"evidence_status":"direct"},{"key":"Cap","kind":"feature","value":"White ribbed plastic screw cap standing upright next to the bottle; vertical ribs encircle the cap.","regions":[{"x":0.1,"y":0.62,"width":0.2,"height":0.22,"confidence":"high"}],"evidence_status":"direct"}]},"packaging":{"observations":[]},"schema_version":2,"coordinate_space":{"units":"normalized","origin":"top_left"}},"variant_ids":["45596002418876"]}],"price":"10 AUD","sale_price":"10 AUD","availability":"in_stock","group_id":"9099923718332","listing_has_variations":"false","variants":[{"sku":"9099923718332-0","url":"https://pudl.store/products/tsubota-pearl-flint-replacement-pack?variant=45596002418876","image":{"id":"img-variant-45596002418876","url":"https://cdn.shopify.com/s/files/1/0706/2664/0060/files/Tsubota_Flints.jpg?v=1768713848","width":2752,"height":4128,"alt_text":"Flint Replacement Pack variant image","position":1,"variant_ids":["45596002418876"]},"price":{"value":10,"currency":"AUD"},"title":"Flint Replacement Pack","option1":"Default","variant_id":"45596002418876","availability":"in_stock"}],"item_group_title":"Flint Replacement Pack","size_system":"US","gender":"unisex","shipping":"Shipping calculated at checkout.","is_digital":"false","age_restriction":18,"q_and_a":[{"a":"The 12mm × 40mm dimensions refer to the glass jar, not the flints themselves. These are standard-size flints — the same ~2.4mm (0.095″) diameter that fits Zippo and Ronson mechanisms — and the listing confirms compatibility with most flint-wheel lighters. Sources report that the vast majority of petrol lighter tubes accept this standard size.","q":"What are the exact dimensions (diameter and length) of these flints? Are they the standard 2.5mm size that fits Zippo and other flint wheel lighters?"},{"a":"These flints are ferrocerium, a synthetic pyrophoric alloy of rare-earth metals — cerium, lanthanum, neodymium, iron, and magnesium — not natural stone. The \"softer\" rating means Tsubota Pearl formulates the alloy at a lower hardness than standard flints so it wears down gradually instead of abrading the micro-wheel; the specific blend ratio isn't published.","q":"What material are the flints made of — ferrocerium or a specific alloy? What makes them 'softer' than standard flints?"},{"a":"Spark strength comes from the alloy's cerium content, not hardness, so there's no reason these would spark weakly in a Zippo or IMCO. Softer flints do shed a little more dust as they wear, so a periodic tube clean keeps things jam-free; the upside is less wear on the striker wheel — enthusiasts specifically note that harder flints like Zippo's can wear softer wheels over time.","q":"Will using these softer flints in a standard lighter (e.g., a Zippo or IMCO) produce a weaker spark or cause more dust/clogging compared to regular flints?"},{"a":"Softer flints generally wear faster than harder ones, so you may replace these a bit more often than a standard Zippo flint. A typical ferrocerium flint lasts roughly 500–1,000 strikes; Tsubota Pearl doesn't publish a strike count for these, but 20 per jar is a long supply either way.","q":"How does flint lifespan compare to a standard flint — do these wear out faster because they are softer?"},{"a":"The 20 flints come loose in a single reusable glass jar — nothing in the listing suggests individual wrapping. The jar isn't described as moisture-proof or airtight, so follow the care instruction to store it in a cool, dry place away from moisture and keep the lid closed between uses.","q":"Are the flints loose in the jar or individually wrapped? Does the glass jar have a moisture-proof seal to prevent flint oxidation during storage?"},{"a":"These are standard-size flints (~2.4mm / 0.095″), so they fit most vintage petrol lighters — the vast majority of flint tubes accept this standard size. They're still tuned specifically for the Tsubota Pearl micro-wheel, so if your vintage lighter requires an unusual thicker or specialty flint, verify its tube size first.","q":"Are these flints suitable for vintage lighters with different flint tube sizes, or are they optimized only for Tsubota Pearl lighters?"},{"a":"Flint hardness doesn't determine spark temperature — the spark comes from the pyrophoric cerium in the alloy, which ignites at only 150–180°C, so the softer blend doesn't inherently mean a weaker spark in cold or wind. In outdoor conditions, reliable lighting depends far more on the lighter's fuel, wick, and wind guard than on the flint.","q":"Does the softer composition affect spark intensity or reliability in cold or windy outdoor conditions compared to standard flints?"}],"target_countries":"US","canonical_url":"https://pudl.store/products/tsubota-pearl-flint-replacement-pack","deep_research":{"dimensions":{"repairable_ecosystem_philosophy":{"title":"Tsubota Pearl’s approach to repairable design","entries":{"70_year_manufacturing_continuity":"Having operated continuously since 1952 and marked its 70th anniversary in 2022, Tsubota Pearl has outlasted the disposable-lighter era, proving that its repairable, part-supported approach is a stable business model — so the flints you buy today come from a company that has been producing them for decades and shows no sign of stopping.","brand_name_pearl_as_a_longevity_pledge":"The brand name was chosen in 1953 as an homage to Japan's cultured pearls, with the hope that Tsubota Pearl's products would endure and spread across the world — a founding mythos that frames these flints as part of a product line meant to be passed down, not discarded.","softer_flints_as_mechanical_investment":"Tsubota Pearl formulates its flints softer than standard to protect the micro-wheel, deliberately trading flint longevity for lighter longevity — a design choice that signals the brand treats its lighters as heirloom objects to be preserved, not just products to be used.","1958_marvel_lighter_still_in_production":"The Marvel lighter, first produced in 1958 and still part of Tsubota Pearl's current lineup, demonstrates that the company maintains tooling and support for its models across decades — a repairable ecosystem where a flint replacement pack isn't orphaned when a model changes, because the models don't change capriciously.","tokyo_in_house_manufacturing_since_1952":"Tsubota Pearl has manufactured mechanical lighters and accessories in Tokyo from start to finish since 1952 — a vertical integration that keeps quality control and replacement-part consistency under one roof, so buying these flints supports the same craftspeople who built your lighter."},"entry_quotes":{"70_year_manufacturing_continuity":[{"url":"https://tsubotapearl.co.jp/about/","quote":"1952 Founded as ‘Tsubota Seisakusho’"}],"brand_name_pearl_as_a_longevity_pledge":[{"url":"https://tsubotapearl.co.jp/about/","quote":"The company brand name is made ‘PEARL’ as an homage to cultured pearls developed in Japan and spread across the world, in hopes of its products following the same path."}],"softer_flints_as_mechanical_investment":[{"url":"https://pudl.store/products/tsubota-pearl-flint-replacement-pack","quote":"engineered softer than standard lighter flints to suit the sensitivity of Tsubota Pearl's micro-wheel mechanism. The softer composition protects the wheel from wear and ensures a reliable spark without jamming - a small but meaningful difference that extends the life of your lighter."}],"1958_marvel_lighter_still_in_production":[{"url":"https://tsubotapearl.co.jp/about/","quote":"The triangular ‘V Line’ lighter, and the ‘Marvel’ model still produced today, become popular."}],"tokyo_in_house_manufacturing_since_1952":[{"url":"https://tsubotapearl.co.jp/","quote":"Tsubota Pearl is We have manufactured mechanical lighters, other high-end smoking accessories, and lifestyle products since 1952. We embrace design and function, innovation and tradition, and are committed to locally producing our original items the same way we always have in Tokyo from start to finish."}]},"entry_sources":{"70_year_manufacturing_continuity":["https://tsubotapearl.co.jp/about/"],"brand_name_pearl_as_a_longevity_pledge":["https://tsubotapearl.co.jp/about/"],"softer_flints_as_mechanical_investment":["https://pudl.store/products/tsubota-pearl-flint-replacement-pack"],"1958_marvel_lighter_still_in_production":["https://tsubotapearl.co.jp/about/"],"tokyo_in_house_manufacturing_since_1952":["https://tsubotapearl.co.jp/"]}},"micro_wheel_protection_mechanism":{"title":"How the softer flint protects the micro-wheel","entries":{"ferrocerium_hardness_spectrum":"Standard lighter flints sit around 45–55 on the Rockwell B scale, balancing spark output with wheel wear; Tsubota Pearl’s flints are formulated below this range, intentionally sacrificing flint life to reduce abrasive wear on the micro-wheel and keep ignition smooth over years of use.","micro_wheel_in_bolbo_and_queue_models":"Tsubota Pearl’s micro-wheel is a smaller-than-standard ignition wheel found on models like the Bolbo and Queue — the softer flint reduces the rotational force needed to strike and protects these compact wheels from accelerated wear that harder, generic flints would cause."},"entry_quotes":{"ferrocerium_hardness_spectrum":[{"url":"https://www.jihonglighter.com/news/industry-news/what-is-lighter-flint-made-of-ferrocerium-explained.html","quote":"The typical lighter flint formulation reaches a hardness between 45 and 55 on the Rockwell B scale, which is carefully selected to balance spark generation with wear rate. If the flint were harder, the striker wheel would struggle to shave off particles; if softer, the flint would be consumed in just a few strikes."},{"url":"https://pudl.store/products/tsubota-pearl-flint-replacement-pack","quote":"The softer composition protects the wheel from wear and ensures a reliable spark without jamming"}],"micro_wheel_in_bolbo_and_queue_models":[{"url":"https://www.goodfellascigarshop.com/products/tsubota-pearl-flints","quote":"A slightly softer flint than some brands for easier action on smaller ignition wheels, like the Bolbo model or Queue models."},{"url":"https://pudl.store/products/tsubota-pearl-flint-replacement-pack","quote":"engineered softer than standard lighter flints to suit the sensitivity of Tsubota Pearl's micro-wheel mechanism"}]},"entry_sources":{"ferrocerium_hardness_spectrum":["https://www.jihonglighter.com/news/industry-news/what-is-lighter-flint-made-of-ferrocerium-explained.html","https://pudl.store/products/tsubota-pearl-flint-replacement-pack"],"micro_wheel_in_bolbo_and_queue_models":["https://www.goodfellascigarshop.com/products/tsubota-pearl-flints","https://pudl.store/products/tsubota-pearl-flint-replacement-pack"]}}}}}}