description 230v concrete grinder and polisher the gp3000 grinder and polisher is ideal for prepping concrete floors for topical coatings, overlayments, and adhesive while also providing the variety of tooling and power needed to deliver a beautifully polished floor. the 28-inch cleaning path and increased grinding head pressure make this an ideal machine for commercial and industrial projects. california proposition 65 warning. features adjustable shroud incorporates a brush for a 360-degree air intake adjustable/foldable handle allows for compact transport and operator comfort when in use rear spring suspension allows for a more even prep over uneven surfaces soft, regular, or hard couplers available for varying floor conditions new stainless steel, 20-gallon water tank control box includes variable-speed soft start, forward and reverse functionality handle transport wheels incorporated for easy loading and unloading four removable side weights for additional head pressure; positioning weights into handle pockets reduces head pressure for easy mobility specifications acme tools brand name national flooring equipment acme tools part number gp3000n assembled depth (in) 77.25 assembled height (in) 52 assembled weight (lbs) 1425 assembled width (in) 29.5 california proposition 65 warning required yes country of origin united states globaltradeitemnumber (gtin) 00407030000305 grinder wheel size (in) 28 grinding speed (rpm) 385-600 height (in) 52 horsepower (hp) 25 maximum rpm 600 package contents concrete grinder package depth 77.25 package height 52 package weight 1426 package weight (lbs) 1426 recommended safety equipment protective eyewear size 28 in start type electric upc 407030000305