{"product_id":"stone-ray-3-head-surface-grinder-polishing-machine","title":"Stone Ray 3-Head Surface Grinder \u0026 Polishing Machine — 7 lb, Wet\/Dry, For Stone, Concrete \u0026 Terrazzo","description":"\u003cp\u003eProfessional surface grinding and polishing for stone, concrete, terrazzo, and more. The \u003cstrong\u003eStone Ray 3-Head Surface Grinder \u0026amp; Polishing Machine\u003c\/strong\u003e is engineered for fabricators, installers, and restoration specialists who demand reliability, speed, and accuracy across multiple materials. Its compact 7 lb footprint and balanced 3-head planetary design make it the go-to tool for grinding, honing, and polishing in tight or detailed spaces — on floors, countertops, stairs, ledges, pools, and walls.\u003c\/p\u003e\n\n\u003cp\u003eAttaches to any variable-speed 7\" grinder\/polisher (not included). Uses standard 4\" Velcro-backed tooling for fast, tool-free pad changes. Wet or dry capable.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight 7 lb design\u003c\/strong\u003e — 8.25\" working width for fatigue-free operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree 5\/8\"-11 threaded heads\u003c\/strong\u003e — compatible with standard backup pads, snail-lock backers, aluminum pads, leather brushes, and more\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 4\" Velcro-backed tooling\u003c\/strong\u003e — fast, tool-free pad changes; works with tooling you already own\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAttaches to any variable-speed 7\" grinder\/polisher\u003c\/strong\u003e — not included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDust-skirt vacuum port\u003c\/strong\u003e — for clean, safe dry operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWet or dry capable\u003c\/strong\u003e — supply water for wet grinding or connect a vacuum for dry operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3-year warranty\u003c\/strong\u003e — against defects in material and workmanship\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNatural stone\u003c\/strong\u003e — grind, hone, and polish marble, granite, travertine, quartzite, limestone, and slate countertops, floors, and surfaces\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngineered stone\u003c\/strong\u003e — polish quartz, porcelain, and sintered surfaces to a consistent finish\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConcrete\u003c\/strong\u003e — remove coatings, grind high spots, hone, and polish concrete floors and countertops\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerrazzo\u003c\/strong\u003e — restore and refinish terrazzo floors with precision\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWood\u003c\/strong\u003e — sand and prep wood surfaces for finishing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurfaces\u003c\/strong\u003e — floors, countertops, stairs, ledges, pools, and walls\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eRecommended Tooling\u003c\/h2\u003e\n\u003cp\u003eThe Stone Ray accepts any standard 4\" Velcro-backed pad. For best results on stone and engineered surfaces:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/weha-trio-3-step-polishing-pads\"\u003e\u003cstrong\u003eWeha Trio 3-Step Polishing Pads\u003c\/strong\u003e\u003c\/a\u003e — fast 3-step dry polishing system for granite, marble, quartz, and engineered stone; delivers a high-gloss finish in three passes\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/weha-donkey-face-polish-inline-polishing-pads\"\u003e\u003cstrong\u003eWeha Donkey Face Polish \u0026amp; Inline Polishing Pads\u003c\/strong\u003e\u003c\/a\u003e — professional-grade 4\" pads for face polishing and inline work on stone surfaces; ideal for edge work and detailed surface finishing\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/tenax-filiflex-airflex-stone-texturing-brushes\"\u003eTenax Filiflex \u0026amp; Airflex Stone Texturing Brushes\u003c\/a\u003e — 4\" Snail Lock brushes for leathered and antique finishes on stone surfaces\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/tenax-silicon-carbide-antique-finish-brushes\"\u003eTenax Silicon Carbide Antique Finish Brushes\u003c\/a\u003e — 4\" Snail Lock SiC brushes for antiquing soft natural stone\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eAttach the Stone Ray to any variable-speed 7\" grinder\/polisher.\u003c\/li\u003e\n\u003cli\u003eMount your preferred 4\" Velcro-backed pads to the three heads.\u003c\/li\u003e\n\u003cli\u003eFor wet operation, supply water to the work surface. For dry operation, connect a vacuum to the dust-skirt port.\u003c\/li\u003e\n\u003cli\u003eWork in overlapping passes at consistent speed for even surface coverage.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2\u003eWarranty\u003c\/h2\u003e\n\u003cp\u003eThe Stone Ray is warranted against defects in material and workmanship for \u003cstrong\u003e3 years\u003c\/strong\u003e from the date of purchase. Warranty excludes damage caused by misuse, improper maintenance, or unauthorized modifications.\u003c\/p\u003e","brand":"Weha","offers":[{"title":"Default Title","offer_id":51543167041760,"sku":"9005","price":1396.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0786\/3943\/1904\/files\/StoneRay-with-hose-and-pads.jpg?v=1776279670","url":"https:\/\/protoolhaus.com\/products\/stone-ray-3-head-surface-grinder-polishing-machine","provider":"Pro Tool Haus","version":"1.0","type":"link"}