{"product_id":"bruin-backer-pad-4-aluminum","title":"BRUIN Backer Pad - 4\" Aluminum","description":"\u003cp\u003eThe Bruin Backer Pad - Aluminum is a heavy-duty 4\" backing pad engineered for precision flat polishing on granite, quartz, quartzite, marble, and concrete. Its solid aluminum body provides a rigid, stable platform that keeps diamond polishing pads flat under pressure, resists heat buildup, and outlasts plastic or rubber alternatives — all without adding unnecessary weight to your grinder or polisher. Hook and loop faced, it fits any 5\/8\"-11 threaded angle grinder or polisher, making it a reliable workhorse for shop production, slab finishing, edge polishing, and scratch removal.\u003c\/p\u003e\n\n\u003cp\u003eSolid aluminum body — rigid, heat-resistant, long service life\u003cbr\u003e\nHook and loop face accepts diamond polishing pads\u003cbr\u003e\nKeeps pad flat under pressure for precision polishing\u003cbr\u003e\nFits any 5\/8\"-11 threaded angle grinder or polisher\u003cbr\u003e\nSuitable for granite, quartz, quartzite, marble, and concrete\u003c\/p\u003e\n\n\u003cp\u003eDiameter: 4\" | Thread Size: 5\/8\"-11 | Weight: 5.72 oz\u003c\/p\u003e","brand":"Obsidian Industrial","offers":[{"title":"Default Title","offer_id":52170122559708,"sku":"OI BRUIN-BPA4","price":20.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0841\/5713\/7116\/files\/cadeb2c2-6560-4ba4-8c81-ca5580307dcb.png?v=1786055332","url":"https:\/\/obsidian-industrial.com\/products\/bruin-backer-pad-4-aluminum","provider":"Obsidian Industrial","version":"1.0","type":"link"}