{"product_id":"grumpy-dad-co-ms-47-rust-eraser-block-fine-grit-320-made-in-japan-carbon-steel-knife-rust-remover-for-aogami-high-carbon-japanese-knives-safe-rust-patina-removal-no-chemicals","title":"Grumpy Dad CO MS-47 Rust Eraser Block Fine Grit #320 – Made in Japan | Carbon Steel Knife Rust Remover for Aogami, High-Carbon \u0026 Japanese Knives | Safe Rust \u0026 Patina Removal, No Chemicals","description":"\u003cstyle\u003e.aplus-img{display:block!important;margin:0!important;padding:0!important;border:0!important;max-width:100%!important;height:auto!important;line-height:0!important;font-size:0!important;vertical-align:top!important}.aplus-img+.aplus-img{margin-top:0!important;margin-bottom:0!important}.aplus-wrap{line-height:0!important;font-size:0!important;margin:0!important;padding:0!important;display:block!important}\u003c\/style\u003e\u003cdiv id=\"v-about-wrap\"\u003e\u003c\/div\u003e\u003c!-- DBG1_A_descLen=39 --\u003e\u003cscript type=\"application\/json\" 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Aogami, blue paper steel, and high-carbon blades — develop surface rust and patina with use; most solutions either leave scratches (steel wool, abrasive pads) or feel too aggressive for a premium blade (acid cleaners, chemical removers); the MS-47 eraser removes rust and staining with a fine #320 grit abrasive that targets exactly where you apply it, without scratching the surrounding steel or removing the blade geometry\u003c\/li\u003e\u003cli\u003eGerman-developed abrasive in Japanese craftsmanship: the MS-47 block uses a German-developed elastic abrasive bonded in polyurethane foam — the same technology used in professional Japanese blade workshops; unlike a fixed abrasive (sandpaper, stone), the elastic foam flexes to follow the blade surface, maintaining contact without gouging; use dry for light surface rust, with water for heavier buildup, or with a gentle cleanser for stained blades; no soaking, no chemicals, no neutralising steps\u003c\/li\u003e\u003cli\u003eFine grit #320 — calibrated for kitchen blades: grit #320 sits in the fine range, equivalent to a fine finishing stone — aggressive enough to lift surface rust and patina buildup, gentle enough to leave the blade finish and geometry intact; suitable for Aogami #2, blue paper steel, white paper steel, high-carbon stainless, and collectors' blades; not designed for deep pitting or heavy forge scale removal — for light to moderate rust and regular maintenance between sharpenings; made in Japan to the standard used in professional workshops\u003c\/li\u003e\u003cli\u003eNo chemicals, no compromise: acid-based rust removers work but carry real risk on high-carbon blades — they can alter the steel's surface chemistry, affect the heat treatment at the edge, and leave residue that requires careful neutralising; the MS-47 uses no acids, no solvents, and no chemical agents; it is safe for food-contact surfaces, requires no special handling, and leaves no residue; rinse the blade after use and dry immediately as normal; the abrasive wears down gradually with use — a single block treats many blades\u003c\/li\u003e\u003cli\u003eBeyond knives — maintenance for any carbon steel or iron surface: suitable for kitchen knives, gyuto, bunka, nakiri, carbon steel tools, cast iron cookware, bicycle frames, and collectible blades; if you own an Aogami, blue paper steel, or high-carbon Japanese knife, this block is the maintenance tool that extends the life of that investment; a practical addition to any knife care kit and a thoughtful gift for any serious cook or knife enthusiast\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eProduct Details\u003c\/h4\u003e\u003ctable class=\\\"product-overview\\\"\u003e\u003ctbody\u003e\u003ctr\u003e\u003cth\u003eItem Form\u003c\/th\u003e\u003ctd\u003eBar\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eScent\u003c\/th\u003e\u003ctd\u003eFresh\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eSpecific Uses For Product\u003c\/th\u003e\u003ctd\u003eAll Purpose\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eSurface Recommendation\u003c\/th\u003e\u003ctd\u003eMetal\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eSpecial Features\u003c\/th\u003e\u003ctd\u003eMulti Purpose\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eContains Liquid Contents?\u003c\/th\u003e\u003ctd\u003eNo\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eItem Volume\u003c\/th\u003e\u003ctd\u003e1 Centiliters\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eUnit Count\u003c\/th\u003e\u003ctd\u003e1.6 Ounce\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eNumber of Items\u003c\/th\u003e\u003ctd\u003e1\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eSize\u003c\/th\u003e\u003ctd\u003e1.6 Ounce (Pack of 1)\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003ePackage Dimensions\u003c\/th\u003e\u003ctd\u003e7 x 3 x 0.5 inches; 2 ounces\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eDate First Available\u003c\/th\u003e\u003ctd\u003eJuly 25, 2025\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003cth\u003eManufacturer\u003c\/th\u003e\u003ctd\u003eFuchioka\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003ch4\u003eImportant information\u003c\/h4\u003e\u003ch5\u003eIngredients\u003c\/h5\u003e\u003cp\u003eflexible polyurethane block\u003c\/p\u003e\u003ch5\u003eLegal Disclaimer\u003c\/h5\u003e\u003cp\u003eStatements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.\u003c\/p\u003e\u003ch4\u003eDisclaimer\u003c\/h4\u003e\u003cdiv class=\\\"important-disclaimer\\\"\u003e\u003cp\u003eWhile we work to ensure that product information is correct, on occasion manufacturers may alter their ingredient lists. Actual product packaging and materials may contain more and\/or different information than that shown on our Web site. We recommend that you do not solely rely on the information presented and that you always read labels, warnings, and directions before using or consuming a product. For additional information about a product, please contact the manufacturer. Content on this site is for reference purposes and is not intended to substitute for advice given by a physician, pharmacist, or other licensed health-care professional. You should not use this information as self-diagnosis or for treating a health problem or disease. Contact your health-care provider immediately if you suspect that you have a medical problem. Information and statements regarding dietary supplements have not been evaluated by the Food and Drug Administration and are not intended to diagnose, treat, cure, or prevent any disease or health condition. Amazon.com assumes no liability for inaccuracies or misstatements about products.\u003c\/p\u003e\u003c\/div\u003e\u003ch4\u003eProduct Description\u003c\/h4\u003e\u003ch5\u003eProduct description\u003c\/h5\u003e\u003cdiv style=\\\"display:flex;flex-wrap:wrap;gap:0;margin:0;padding:0;line-height:0;font-size:0;\\\"\u003e\u003cimg src=\\\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/b1bad8ad-45d4-4ea0-9924-fd6111a423d6.__CR0,0,970,600_PT0_SX970_V1___.jpg\\\" style=\\\"flex:1 1 auto;min-width:120px;max-width:100%;height:auto;object-fit:contain;margin:0!important;padding:0!important;display:block;border:0;vertical-align:top;line-height:0;\\\" loading=\\\"lazy\\\" \/\u003e\u003cimg src=\\\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/bcac6c41-7388-4e89-8704-88efa7545840.__CR0,0,970,300_PT0_SX970_V1___.jpg\\\" style=\\\"flex:1 1 auto;min-width:120px;max-width:100%;height:auto;object-fit:contain;margin:0!important;padding:0!important;display:block;border:0;vertical-align:top;line-height:0;\\\" loading=\\\"lazy\\\" \/\u003e\u003cimg src=\\\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/f84b4acd-946d-4d1b-b085-7419e6a3bf99.__CR0,0,970,600_PT0_SX970_V1___.jpg\\\" style=\\\"flex:1 1 auto;min-width:120px;max-width:100%;height:auto;object-fit:contain;margin:0!important;padding:0!important;display:block;border:0;vertical-align:top;line-height:0;\\\" loading=\\\"lazy\\\" \/\u003e\u003cimg src=\\\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/d873285c-94c5-476f-88a0-17e87636c3ef.__CR0,0,970,600_PT0_SX970_V1___.jpg\\\" style=\\\"flex:1 1 auto;min-width:120px;max-width:100%;height:auto;object-fit:contain;margin:0!important;padding:0!important;display:block;border:0;vertical-align:top;line-height:0;\\\" loading=\\\"lazy\\\" \/\u003e\u003cimg src=\\\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/abf22ddc-9915-4c35-8039-6ca99389d91b.__CR0,0,970,600_PT0_SX970_V1___.jpg\\\" style=\\\"flex:1 1 auto;min-width:120px;max-width:100%;height:auto;object-fit:contain;margin:0!important;padding:0!important;display:block;border:0;vertical-align:top;line-height:0;\\\" loading=\\\"lazy\\\" \/\u003e\u003cimg src=\\\"https:\/\/m.media-amazon.com\/images\/S\/aplus-media-library-service-media\/019d8402-b0ff-44c7-8995-03fa66808717.__CR0,0,970,600_PT0_SX970_V1___.jpg\\\" style=\\\"flex:1 1 auto;min-width:120px;max-width:100%;height:auto;object-fit:contain;margin:0!important;padding:0!important;display:block;border:0;vertical-align:top;line-height:0;\\\" loading=\\\"lazy\\\" \/\u003e\u003c\/div\u003e\u003ch5\u003eMAINTENANCE FOR ANY CARBON STEEL OR IRON SURFACE\u003c\/h5\u003e\u003cp\u003eElastic abrasive block designed for controlled rust and stain removal on Aogami, blue paper steel, and high-carbon blades without affecting blade geometry.\u003c\/p\u003e\"}\u003c\/script\u003e","brand":"GRUMPYDADCOCompany","offers":[{"title":"Default Title","offer_id":42759392755783,"sku":"B0FJY4RMZ7_MULTI","price":19.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0648\/7615\/0855\/files\/i8012mo1k6hy_202815-0001.jpg?v=1783024102","url":"https:\/\/kitchenbladehouse.com\/products\/grumpy-dad-co-ms-47-rust-eraser-block-fine-grit-320-made-in-japan-carbon-steel-knife-rust-remover-for-aogami-high-carbon-japanese-knives-safe-rust-patina-removal-no-chemicals","provider":"All Kitchen Knife","version":"1.0","type":"link"}