{"product_id":"mirka-osp-3-in-surface-preparation-sanding-disc-50-pack-os-203-001","title":"Mirka OSP 3-in. Surface Preparation Sanding Disc, 50-Pack (OS-203-001)","description":"\u003csection data-aplus\u003e\n  \u003cdetails id=\"product-features\" class=\"acc\" open\u003e\n    \u003csummary\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003cdiv class=\"features\"\u003e\n        \u003cdiv class=\"card\"\u003e\n          \u003cdiv class=\"card-inside\"\u003e\n            \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/diameter.svg\" alt=\"diameter\" class=\"aplusicon\"\u003e\n          \u003c\/div\u003e\n          \u003cdiv\u003e\u003cstrong\u003e3 Inch Disc Size\u003c\/strong\u003e\u003c\/div\u003e\n          \u003cdiv class=\"feature-card\"\u003eThis Mirka sanding disc is sized for small-area surface prep where a larger disc is overkill. The 3 inch format gives you better control on spot repairs, detail work, and tight sections.\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"card\"\u003e\n          \u003cdiv class=\"card-inside\"\u003e\n            \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/sander.svg\" alt=\"sander\" class=\"aplusicon\"\u003e\n          \u003c\/div\u003e\n          \u003cdiv\u003e\u003cstrong\u003eNumbered OSP System\u003c\/strong\u003e\u003c\/div\u003e\n          \u003cdiv class=\"feature-card\"\u003eMirka's Optimized Surface Preparation system uses numbered phases to keep the process simple. That makes it easier to move through sanding steps without guessing which disc comes next.\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"card\"\u003e\n          \u003cdiv class=\"card-inside\"\u003e\n            \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/material.svg\" alt=\"material\" class=\"aplusicon\"\u003e\n          \u003c\/div\u003e\n          \u003cdiv\u003e\u003cstrong\u003eWorks Across Materials\u003c\/strong\u003e\u003c\/div\u003e\n          \u003cdiv class=\"feature-card\"\u003eBuilt for sanding on steel, aluminum, body filler, primer, clear coat, plastics, plaster, and more. That matters if your work moves from metal prep to paint correction and finishing steps.\u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-overview\" class=\"acc\"\u003e\n    \u003csummary\u003e\u003ch2\u003eOverview\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\" data-product-summary\u003e\n      \u003cp\u003eThe \u003cstrong\u003eMirka OSP Disc 3 Inch\u003c\/strong\u003e is a surface preparation sanding disc built for controlled sanding on small work areas and repair zones. This is a sanding disc designed for surface preparation and sanding across automotive, paint, filler, and metalworking applications. Model number \u003cstrong\u003eOS-203-001\u003c\/strong\u003e. If you need a compact abrasive that fits detail work better than a full-size disc, this is the kind of product that earns its spot in the shop.\u003c\/p\u003e\n      \u003cp\u003eWhat makes the OSP line useful is the way Mirka structures the system. The Optimized Surface Preparation setup uses numbered phases so the sanding process is easier to follow from one stage to the next. Instead of mixing random abrasives and hoping the scratch pattern works out, the system is meant to keep prep more organized and repeatable.\u003c\/p\u003e\n      \u003cp\u003eThe 3 inch size is a practical choice for spot repairs, blending work, paint prep, and smaller sections where you want control more than coverage. On body lines, patch areas, filler edges, and localized coating removal, a smaller sanding disc is usually easier to manage and less likely to chew into the surrounding surface than a larger disc.\u003c\/p\u003e\n      \u003cp\u003eMirka lists this disc for use on a wide range of materials, including steel, aluminum, gel coat, body filler, plaster or filler, plastics, lacquers, clear coat, primer, top coat, and UV primer. That broad material range matters for techs and finish workers who may be moving from stripping old paint to leveling filler to prepping primer in the same workflow.\u003c\/p\u003e\n      \u003cp\u003eThis product is sold in a 50-piece pack, which makes more sense for production work and repeat repairs than buying a few loose discs at a time. If you burn through abrasives during refinishing, prep, or paint correction steps, pack quantity matters because it keeps you working instead of reordering every few jobs.\u003c\/p\u003e\n      \u003cp\u003eThe best fit for this Mirka OSP Disc 3 Inch is anyone doing surface prep where consistency matters: automotive refinish work, paint sanding, body filler shaping, coating removal, and detail sanding on mixed materials. It is especially useful for users who already like a structured sanding process and want a compact disc format for targeted work rather than broad-area sanding.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-benefits\" class=\"acc\"\u003e\n    \u003csummary\u003e\u003ch2\u003eBuilt for Controlled Surface Prep\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003cdiv class=\"row\"\u003e\n        \u003cdiv class=\"img\"\u003e\n          \u003cimg src=\"https:\/\/cdn.anglera.com\/assets\/74d6ed76-fe0d-4d23-a9db-1f8749ca9ef2\/20260623220_1.jpg\" alt=\"Mirka OSP Disc 3 Inch sanding disc for small-area surface preparation on paint, filler, and metal in shop repair work\" class=\"tnblock-img\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"copy\"\u003e\n          \u003cp\u003eSmall discs shine when the job calls for accuracy instead of brute coverage. A 3 inch abrasive is easier to place exactly where you need it, which helps on spot repairs, edge blending, and prep around tight contours.\u003c\/p\u003e\n          \u003cul\u003e\n            \u003cli\u003e3 inch disc format for detail-oriented sanding work\u003c\/li\u003e\n            \u003cli\u003eGood fit for paint sanding, stripping, and surface prep tasks\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-benefits-2\" class=\"acc flip\"\u003e\n    \u003csummary\u003e\u003ch2\u003eSimpler Step-by-Step Sanding\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003cdiv class=\"row\"\u003e\n        \u003cdiv class=\"img\"\u003e\n          \u003cimg src=\"https:\/\/cdn.anglera.com\/assets\/74d6ed76-fe0d-4d23-a9db-1f8749ca9ef2\/20260623220_4.jpg\" alt=\"Mirka OSP Disc 3 Inch numbered sanding disc used in a step-by-step surface preparation process for refinishing work\" class=\"tnblock-img\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"copy\"\u003e\n          \u003cp\u003eThe numbered OSP approach helps keep sanding stages organized. That is useful in repair and refinishing work where skipping steps or grabbing the wrong abrasive can leave extra cleanup for the next stage.\u003c\/p\u003e\n          \u003cul\u003e\n            \u003cli\u003eMirka OSP system uses numbered phases\u003c\/li\u003e\n            \u003cli\u003eDesigned to support a more repeatable prep process\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-benefits-3\" class=\"acc\"\u003e\n    \u003csummary\u003e\u003ch2\u003eOne Disc for Mixed Material Workflows\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003cdiv class=\"row\"\u003e\n        \u003cdiv class=\"img\"\u003e\n          \u003cimg src=\"https:\/\/cdn.anglera.com\/assets\/74d6ed76-fe0d-4d23-a9db-1f8749ca9ef2\/20260623220_2.jpg\" alt=\"Mirka OSP Disc 3 Inch abrasive disc for sanding steel aluminum body filler primer and coated surfaces during repair prep\" class=\"tnblock-img\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"copy\"\u003e\n          \u003cp\u003eNot every job stays on one substrate. This abrasive is specified for metals, fillers, coatings, and plastics, which makes it a practical choice when your prep work moves through several materials in the same repair.\u003c\/p\u003e\n          \u003cul\u003e\n            \u003cli\u003eSuitable for steel, aluminum, body filler, plaster or filler, and plastics\u003c\/li\u003e\n            \u003cli\u003eAlso used on clear coat, primer, top coat, lacquers, and gel coat\u003c\/li\u003e\n          \u003c\/ul\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-whats-included\" class=\"acc\" open\u003e\n    \u003csummary\u003e\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003cdiv class=\"tnincluded-wrapper\"\u003e\n        \u003cul\u003e\n          \u003cli\u003e(50) Mirka OSP Disc 3 Inch sanding discs\u003c\/li\u003e\n        \u003c\/ul\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-key-specifications\" class=\"acc\" open\u003e\n    \u003csummary\u003e\u003ch2\u003eKey Specifications\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003ctable class=\"aplusspecs\"\u003e\n        \u003ctr\u003e\n          \u003cth\u003eDisc Diameter\u003c\/th\u003e\n          \u003ctd\u003e3 in\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eProduct Type\u003c\/th\u003e\n          \u003ctd\u003eOSP sanding disc\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003ePrimary Use\u003c\/th\u003e\n          \u003ctd\u003eSanding\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003ePieces per Pack\u003c\/th\u003e\n          \u003ctd\u003e50\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eGrit Options\u003c\/th\u003e\n          \u003ctd\u003e1, 2, 3\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eSuitable Materials\u003c\/th\u003e\n          \u003ctd\u003eSteel, aluminum, body filler, plaster or filler, plastics, clear coat, primer, top coat, lacquers, gel coat\u003c\/td\u003e\n        \u003c\/tr\u003e\n      \u003c\/table\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-applications-uses\" class=\"acc\"\u003e\n    \u003csummary\u003e\u003ch2\u003eBuilt For\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003cdiv class=\"tags\"\u003e\n        \u003cspan class=\"tag\"\u003eAutomotive\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003ePaint Preparation\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eBody Filler Sanding\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003ePaint Removal\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eMetalworking\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eRefinishing\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eGel Coat Work\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eDetail Sanding\u003c\/span\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-tool-nut-take\" class=\"acc\"\u003e\n    \u003csummary\u003e\u003ch2\u003eTool Nut's Take\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003cdiv class=\"eyebrow\"\u003eTool Nut's Take\u003c\/div\u003e\n      \u003ch3\u003eSmall Disc, Smart System\u003c\/h3\u003e\n      \u003cp\u003eThe \u003cstrong\u003eMirka OSP Disc 3 Inch\u003c\/strong\u003e makes a lot of sense for repair work where control, consistency, and quick abrasive changes matter more than covering a huge area fast.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWho it's for:\u003c\/strong\u003e Automotive refinish techs, painters, and anyone doing spot prep, filler work, or coating removal on smaller sections.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWhy it stands out:\u003c\/strong\u003e The 3 inch size is easy to manage, and the OSP numbered system helps keep the prep process organized instead of turning into guesswork.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e This is a 50-pack of discs, so it is geared more toward real shop use than occasional one-off sanding jobs.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-faqs\" class=\"acc\"\u003e\n    \u003csummary\u003e\u003ch2\u003eCommon Questions\u003c\/h2\u003e\u003c\/summary\u003e\n    \u003cdiv class=\"acc-body\"\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWhat size is this disc?\u003c\/strong\u003e This Mirka OSP disc has a 3 inch diameter.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWhat is it used for?\u003c\/strong\u003e It is used for sanding and surface preparation, including paint sanding and paint stripping or removal.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWhat materials can it be used on?\u003c\/strong\u003e Mirka lists steel, aluminum, body filler, plaster or filler, plastics, gel coat, clear coat, primer, top coat, UV primer, and lacquers.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHow many discs come in a pack?\u003c\/strong\u003e This product is sold in a 50-piece pack.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\u003c\/section\u003e","brand":"Mirka","offers":[{"title":"Default Title","offer_id":53385918775590,"sku":"OS-203-001","price":32.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/20260623220_1.jpg?v=1782171907","url":"https:\/\/www.toolnut.com\/products\/mirka-osp-3-in-surface-preparation-sanding-disc-50-pack-os-203-001","provider":"Tool Nut","version":"1.0","type":"link"}