{"product_id":"mirka-12v-3-in-cordless-rotary-polisher-tool-only-arp300-b","title":"Mirka 12V 3-in. Cordless Rotary Polisher, Tool Only (ARP300-B)","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\/weight.svg\" alt=\"weight\" class=\"aplusicon\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv\u003e\u003cstrong\u003eBuilt for Small Areas\u003c\/strong\u003e\u003c\/div\u003e\n        \u003cdiv class=\"feature-card\"\u003eThe Mirka ARP300-B 3\" Rotary Battery Polisher is made for spot repair and tight polishing work where a full-size machine feels clumsy. Its small body and 3 inch backing pad make it easier to control around edges, pillars, bumpers, and localized defects.\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\/motor-type.svg\" alt=\"motor-type\" class=\"aplusicon\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv\u003e\u003cstrong\u003eBrushless Efficiency\u003c\/strong\u003e\u003c\/div\u003e\n        \u003cdiv class=\"feature-card\"\u003eA brushless motor keeps maintenance low while delivering the torque needed for correction work. That matters when you want steady polishing performance without the extra noise and upkeep of older motor designs.\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\/variable-speed.svg\" alt=\"variable-speed\" class=\"aplusicon\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv\u003e\u003cstrong\u003eTrigger Speed Control\u003c\/strong\u003e\u003c\/div\u003e\n        \u003cdiv class=\"feature-card\"\u003eThe variable speed trigger lets you ease into the work instead of starting at full speed. That gives you better control over polish spread and helps reduce the chance of sling or surface overheating.\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 Mirka ARP300-B 3\" Rotary Battery Polisher is a cordless spot repair polisher built for professionals who need control in tight spaces. This is a rotary polisher designed for polishing small areas and correcting localized defects. Model Number: ARP300-B. If you do paint correction, detailing, or refinishing work where a standard-size machine is more tool than you need, this one makes a lot of sense.\u003c\/p\u003e\n    \u003cp\u003eWhat sets this cordless polisher apart is how focused it is on small-area work. The 3 inch backing pad gives you a better fit on compact panels and curved sections, while the rotary action provides the direct polishing contact needed for targeted correction. Mirka also gives you variable speed control on the trigger, which is a real-world feature, not filler. It lets you start slow, spread compound cleanly, and bring speed in as the pad settles, which helps cut down on mess and gives you more confidence on delicate finishes.\u003c\/p\u003e\n    \u003cp\u003eThe ARP300-B is also built around a brushless motor, which is exactly what you want in a compact professional polishing tool. Brushless design means lower maintenance, efficient power delivery, and less extra noise compared to older brushed setups. Mirka specifically positions this tool as light, nimble, ergonomic, and quiet, and those points matter when you're doing repetitive spot work for long stretches. A compact polisher only earns its keep if it stays comfortable in the hand and easy to guide, and this one is clearly aimed at that kind of use.\u003c\/p\u003e\n    \u003cp\u003eBecause it is cordless, you are not fighting a power cord around fresh paint, trim, mirrors, or tight repair zones. That freedom of movement is a real advantage in automotive detailing and body shop work, especially when you're moving around a vehicle or working in confined spaces. No cord also means less drag on the surface and less hassle when you're making quick corrections instead of setting up for a full panel polish.\u003c\/p\u003e\n    \u003cp\u003eFrom a jobsite practicality standpoint, this Mirka rotary battery polisher is about precision and convenience more than brute size. It is not trying to replace a larger machine for full-vehicle correction. It is the tool you reach for when the job is isolated, access is limited, and finish control matters. At 1.8 lbs assembled weight, it stays light enough for one-handed work and controlled polishing passes without feeling top-heavy.\u003c\/p\u003e\n    \u003cp\u003eOn the system side, the ARP300-B works as part of Mirka's cordless setup. The manufacturer listing for this version identifies it as the tool-only configuration, with batteries and charger sold separately, while Mirka also offers a kit version with 5Ah 12V Li-ion batteries and charger. That is worth knowing before you order, especially if you are adding this as a second machine to an existing Mirka cordless polishing setup.\u003c\/p\u003e\n    \u003cp\u003eWho should buy it? Automotive detailers, body shop techs, paint correction pros, and refinishing specialists who routinely work on spot repairs or tight sections will get the most from it. Serious users who already understand when a compact rotary polisher beats a larger machine will appreciate how purpose-built this tool is. If your work is mostly full-size panel polishing, you may want a larger polisher first. If your work regularly includes mirrors, bumpers, pillars, blend areas, or defect correction in confined zones, this is the kind of specialized tool that saves time and gives you better control.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-benefits\" class=\"acc\"\u003e\n  \u003csummary\u003e\u003ch2\u003eControl Where Full-Size Polishers Get Awkward\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\/20260623021_1.jpg\" alt=\"Mirka ARP300-B 3 inch rotary battery polisher shown as a compact cordless polishing tool for spot repair and tight automotive detailing work\" class=\"tnblock-img\"\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"copy\"\u003e\n        \u003cp\u003eThis compact rotary polisher is built for the jobs a larger machine makes harder than they need to be. When you're working around tight panels, localized scratches, or small repair areas, size and balance matter as much as raw cutting ability.\u003c\/p\u003e\n        \u003cul\u003e\n          \u003cli\u003e3 inch backing pad fits small polishing zones more naturally than a larger pad\u003c\/li\u003e\n          \u003cli\u003eLight, ergonomic body is easier to guide for precise correction work\u003c\/li\u003e\n          \u003cli\u003eCordless layout improves movement around vehicles and confined work areas\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\u003eSmoother Starts, Better Finish Control\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:\/\/img.mirka.com\/medias\/8991000311WB-006.jpg?context=bWFzdGVyfGltYWdlc3w3MDM1MzV8aW1hZ2UvanBlZ3xhR016TDJnd01pOHhNamt5T1RNM05EazBOVE14TUM4NE9Ua3hNREF3TXpFeFYwSmZNREEyTG1wd1p3fDg3NDI5NjNhYTI0OTk2YjA5MTc5MzBiNzMwNjA1N2U4OWRiYTQzOTgyNWI4ODg1MTE1NjI5MzhiNzYwMTYwZDE\" alt=\"Mirka ARP300-B 3 inch rotary battery polisher with hook and loop backing pad for precision polishing on painted automotive surfaces\" class=\"tnblock-img\"\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"copy\"\u003e\n        \u003cp\u003eThe variable speed trigger gives you a more controlled start and a cleaner polishing process. Instead of blasting product across the panel, you can feather the speed in and work the polish exactly where you want it.\u003c\/p\u003e\n        \u003cul\u003e\n          \u003cli\u003eVariable trigger helps reduce splashing at startup\u003c\/li\u003e\n          \u003cli\u003eRotary action provides direct, consistent polishing contact\u003c\/li\u003e\n          \u003cli\u003eBrushless motor keeps maintenance low and supports quiet operation\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(1) Mirka ARP300-B 3\" Rotary Battery Polisher\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"included-note\"\u003e\n      \u003cp\u003eBatteries and charger are sold separately.\u003c\/p\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\u003eTool Type\u003c\/th\u003e\n        \u003ctd\u003eCordless rotary polisher\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eBacking Pad Size\u003c\/th\u003e\n        \u003ctd\u003e3 in\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eVoltage\u003c\/th\u003e\n        \u003ctd\u003e10.8 V\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eMotor Type\u003c\/th\u003e\n        \u003ctd\u003eBrushless\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eWeight\u003c\/th\u003e\n        \u003ctd\u003e1.8 lbs\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003ePower Source\u003c\/th\u003e\n        \u003ctd\u003eBattery\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eMade In\u003c\/th\u003e\n        \u003ctd\u003eFinland\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003cth\u003eWarranty\u003c\/th\u003e\n        \u003ctd\u003e2 Years Limited\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-compatibility\" class=\"acc\"\u003e\n  \u003csummary\u003e\u003ch2\u003eCompatibility\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"compat-list\"\u003e\n      \u003cdiv class=\"compat-row\"\u003e\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/voltage.svg\" alt=\"voltage\" class=\"icon-sm\"\u003e\n        \u003cdiv\u003e\n          \u003cstrong\u003eBattery System\u003c\/strong\u003e\n          \u003cdiv class=\"compat-detail\"\u003eWorks with Mirka cordless battery setup used with the ARP300 kit configuration, which is offered with 5Ah 12V Li-ion batteries and charger.\u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"compat-row\"\u003e\n        \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/diameter.svg\" alt=\"diameter\" class=\"icon-sm\"\u003e\n        \u003cdiv\u003e\n          \u003cstrong\u003ePad Size\u003c\/strong\u003e\n          \u003cdiv class=\"compat-detail\"\u003eDesigned around a 3 inch backing pad for small-area polishing and spot repair work.\u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\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 Detailing\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eBody Shop Spot Repair\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003ePaint Correction\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eSmall Area Polishing\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eTight Access Work\u003c\/span\u003e\n      \u003cspan class=\"tag\"\u003eProfessional Refinishing\u003c\/span\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-pro-tips\" class=\"acc\"\u003e\n  \u003csummary\u003e\u003ch2\u003ePro Tip\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"tip-row\"\u003e\n      \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/specs.svg\" alt=\"specs\" class=\"icon-lg\"\u003e\n      \u003cp class=\"tip-text\"\u003eUse the variable speed trigger to spread compound at a low start before bringing the pad up to working speed. On a small rotary polisher like the ARP300-B, that simple habit helps keep polish where you want it and gives you cleaner control on spot repairs.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails id=\"product-warranty\" class=\"acc\"\u003e\n  \u003csummary\u003e\u003ch2\u003eWarranty \u0026amp; Support\u003c\/h2\u003e\u003c\/summary\u003e\n  \u003cdiv class=\"acc-body\"\u003e\n    \u003cdiv class=\"warranty-row\"\u003e\n      \u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/warranty.svg\" alt=\"warranty\" class=\"icon-sm\"\u003e\n      \u003cdiv class=\"warranty-text\"\u003e\n        2 Years Limited warranty.\n      \u003c\/div\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 polisher, very specific job, exactly the point\u003c\/h3\u003e\n    \u003cp\u003eThe Mirka ARP300-B 3\" Rotary Battery Polisher is the kind of specialty tool that earns its spot fast if you do spot repairs, paint correction, or detail work in tight areas.\u003c\/p\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWho it's for:\u003c\/strong\u003e Pros and serious users doing automotive detailing, refinishing, and localized polishing where a full-size machine is too bulky.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWhy it stands out:\u003c\/strong\u003e Compact 3 inch format, brushless motor, cordless freedom, and trigger-based speed control make it easy to handle and easy to trust on delicate work.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e This is the bare tool version, so plan on batteries and charger separately if you are not already on Mirka's cordless setup.\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 kind of tool is the ARP300-B?\u003c\/strong\u003e It is a cordless rotary polisher designed for polishing small areas and spot repair work.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eWhat size backing pad does it use?\u003c\/strong\u003e The ARP300-B uses a 3 inch backing pad.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eDoes it have a brushless motor?\u003c\/strong\u003e Yes. Mirka specifies a brushless motor for low maintenance and efficient performance.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eIs this a kit with batteries and charger?\u003c\/strong\u003e No. This ARP300-B version is the tool-only configuration, so batteries and charger are sold separately.\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":53385917661478,"sku":"ARP300-B-MIRKA","price":750.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/20260623021_1.jpg?v=1782171895","url":"https:\/\/www.toolnut.com\/products\/mirka-12v-3-in-cordless-rotary-polisher-tool-only-arp300-b","provider":"Tool Nut","version":"1.0","type":"link"}