{"product_id":"mirka-3-in-x-4-in-3-mm-pneumatic-orbital-finishing-sander-for-small-surface-sanding-mr-34","title":"Mirka 3-in. x 4-in. 3 mm Pneumatic Orbital Finishing Sander for Small Surface Sanding (MR-34)","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\/anti-vibration.svg\" alt=\"anti-vibration\" class=\"aplusicon\"\u003e\n          \u003c\/div\u003e\n          \u003cdiv\u003e\u003cstrong\u003eLightweight Control\u003c\/strong\u003e\u003c\/div\u003e\n          \u003cdiv class=\"feature-card\"\u003eAt 2.43 lbs, this sander is easier to keep flat and steady during detail work. That matters when you are sanding smaller parts and do not want hand fatigue affecting the finish.\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\u003eBuilt for Finish Work\u003c\/strong\u003e\u003c\/div\u003e\n          \u003cdiv class=\"feature-card\"\u003eThe Mirka MR-34 Orbital Finishing Sander uses a 3 mm orbit to produce a finer surface on smaller sanding jobs. It is a practical fit for furniture work, window production, and other finish-focused applications.\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\u003eSheet or Roll Ready\u003c\/strong\u003e\u003c\/div\u003e\n          \u003cdiv class=\"feature-card\"\u003eIt works with Abranet sheets or 3 inch rolls, so you have flexibility in how you stock abrasives. That can make it easier to match the job and keep moving without hunting for a specialty format.\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\u003e\u003cstrong\u003eMirka MR-34 Orbital Finishing Sander\u003c\/strong\u003e is a lightweight pneumatic finish sander built for smaller surface-prep and fine sanding work. This is a pneumatic orbital finishing sander designed for smaller sanding jobs in window and furniture production. Model Number: MR-34. If you need a compact air-powered sander that is easier to control on small parts and tight workpieces, this is the kind of tool that makes sense.\u003c\/p\u003e\n      \u003cp\u003eThe big story here is control. Mirka pairs the 3 inch by 4 inch pad size with a 3 mm orbit, which is a good setup for finish sanding where surface quality matters more than aggressive stock removal. In plain terms, that smaller orbit helps leave a cleaner, more refined surface, making this a better fit for finish prep than rough shaping.\u003c\/p\u003e\n      \u003cp\u003eWeight matters on a tool like this, especially when you are sanding smaller components, edges, frames, and parts that need a consistent touch. At 2.43 lbs, the Mirka MR-34 Orbital Finishing Sander stays light in the hand and easier to guide without overworking the operator. That is useful in repetitive shop work where fatigue can show up in the final result.\u003c\/p\u003e\n      \u003cp\u003eThis Mirka air sander is also built around practical abrasive flexibility. It is designed to work with Abranet sheets or 3 inch rolls, which gives users options depending on how they like to stock consumables and handle different sanding tasks. If your shop already runs Mirka abrasives, that is an easy fit. If you simply want a compact finish sander that accepts common abrasive formats for this size class, that helps too.\u003c\/p\u003e\n      \u003cp\u003eBecause it is pneumatic, the tool is a natural match for shops that already run compressed air. There is no battery weight to deal with and no corded motor housing adding bulk to the tool body. For production-style use in woodworking, furniture, and window work, that air-powered setup can feel more balanced and easier to maneuver over time.\u003c\/p\u003e\n      \u003cp\u003eThe pad format also tells you where this tool belongs. A 3 inch by 4 inch sanding surface is useful when a larger random orbit sander feels clumsy or simply too big for the part. It gives you better access on smaller panels and components while still covering more area than a tiny detail sander. That makes it a smart middle-ground choice for controlled finish sanding on smaller work.\u003c\/p\u003e\n      \u003cp\u003eIf you are a furniture maker, cabinet shop user, window manufacturer, or serious woodworker doing finish prep, this is the kind of orbital sander that earns its place by being easy to handle and predictable on the surface. If your work is mainly heavy stock removal on large panels, you would probably want a more aggressive sander. But if finish quality, touch, and maneuverability matter most, the Mirka MR-34 Orbital Finishing Sander is right in its lane.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/details\u003e\n\n  \u003cdetails id=\"product-benefits\" class=\"acc\"\u003e\n    \u003csummary\u003e\u003ch2\u003eCompact Size for Smaller Parts\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\/20260623117_1.jpg\" alt=\"Mirka MR-34 Orbital Finishing Sander with 3 inch by 4 inch pad for fine sanding on smaller woodworking parts in a shop setting\" class=\"tnblock-img\"\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"copy\"\u003e\n          \u003cp\u003eNot every sanding job needs a big body sander. The smaller pad footprint helps you stay accurate on narrower workpieces and detailed finish tasks where a larger sanding tool can feel awkward or heavy-handed.\u003c\/p\u003e\n          \u003cul\u003e\n            \u003cli\u003e3 inch x 4 inch pad size suits smaller sanding jobs\u003c\/li\u003e\n            \u003cli\u003e3 mm orbit is geared toward a smoother surface finish\u003c\/li\u003e\n            \u003cli\u003eLightweight 2.43 lb build is easier to control through longer sanding sessions\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) Finishing Sander\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\u003ePower Source\u003c\/th\u003e\n          \u003ctd\u003ePneumatic \/ Air Powered\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003ePad Size\u003c\/th\u003e\n          \u003ctd\u003e3 in x 4 in\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eOrbit Size\u003c\/th\u003e\n          \u003ctd\u003e3 mm\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eMaximum Speed\u003c\/th\u003e\n          \u003ctd\u003e12,000 RPM\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eWeight\u003c\/th\u003e\n          \u003ctd\u003e2.43 lbs\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eAbrasive Format\u003c\/th\u003e\n          \u003ctd\u003eAbranet sheets or 3 in rolls\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eUPC\u003c\/th\u003e\n          \u003ctd\u003e842028026446\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003cth\u003eMade In\u003c\/th\u003e\n          \u003ctd\u003eGermany\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\/material.svg\" alt=\"material\" class=\"icon-sm\"\u003e\n          \u003cdiv\u003e\n            \u003cstrong\u003eAbrasives\u003c\/strong\u003e\n            \u003cdiv class=\"compat-detail\"\u003eDesigned for use with Abranet sheets or 3 inch rolls.\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\/power-source.svg\" alt=\"power-source\" class=\"icon-sm\"\u003e\n          \u003cdiv\u003e\n            \u003cstrong\u003eAir System\u003c\/strong\u003e\n            \u003cdiv class=\"compat-detail\"\u003eThis is a pneumatic sander and requires an air-powered setup.\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\"\u003eWoodworking\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eFurniture Production\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eWindow Production\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eFinish Sanding\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eSurface Prep\u003c\/span\u003e\n        \u003cspan class=\"tag\"\u003eShop Use\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\"\u003eA 3 mm orbit is better at refining than hogging off material, so let the Mirka MR-34 Orbital Finishing Sander do the finish work after your heavier sanding steps. That keeps the surface cleaner and helps you avoid chasing swirl marks at the end.\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          No manufacturer's warranty is listed for this product in the source data.\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\u003eMirka MR-34 Orbital Finishing Sander Is a Smart Shop Sander for Fine Work\u003c\/h3\u003e\n      \u003cp\u003eThis is the kind of air sander you buy when finish quality and control matter more than brute-force material removal.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWho it's for:\u003c\/strong\u003e Furniture makers, window shops, woodworkers, and anyone doing smaller finish sanding jobs on parts that need a steady hand.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWhy it stands out:\u003c\/strong\u003e The 3 mm orbit, 3 inch by 4 inch pad, and light 2.43 lb weight put it right in the sweet spot for controlled surface finishing.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWorth knowing:\u003c\/strong\u003e This is a pneumatic finish sander, so it makes the most sense in a shop that already runs air. It is not the tool we would choose for aggressive stock removal on large surfaces.\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\u003eIs this a pneumatic or electric sander?\u003c\/strong\u003e This is a pneumatic, air-powered orbital finishing sander.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWhat size pad does it use?\u003c\/strong\u003e It uses a 3 inch x 4 inch pad.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWhat kind of sanding work is it best for?\u003c\/strong\u003e It is best suited for smaller sanding jobs and finish-focused work, especially in furniture and window production.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWhat abrasives can it use?\u003c\/strong\u003e The source data states it is easy to use with Abranet sheets or 3 inch rolls.\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":53385917104422,"sku":"MR-34","price":237.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0933\/1582\/5958\/files\/20260623117_1.jpg?v=1782171890","url":"https:\/\/www.toolnut.com\/products\/mirka-3-in-x-4-in-3-mm-pneumatic-orbital-finishing-sander-for-small-surface-sanding-mr-34","provider":"Tool Nut","version":"1.0","type":"link"}