Industrial Quality Wet Polisher .7 hp, 500 - 3,600 RPM, Rear Exhaust, 5/8 Inch-11 Spindle Thread Variable Speed Wet Polisher delivers efficient wet polishing on stone, engineered stone, concrete, composites, acrylic, glass and moreErgonomic tool housing has built-in water feed, sending flow through spindle for consistent water distribution on work surfaceBest of all, Dynabrade has manufactured this tool with robust bearings and durable gears, which tested at FIVE TIMES the life of competitive models! Accepts optional backup pads, in diameters of 3 Inch to 5 Inch (76 mm - 127 mm)May also be used for sanding, grinding, cutting & hole-sawing 5/8 Inch-11 spindle accepts optional accessories Safe operating speed of accessory must include range of 500 RPM to 3,600 RPM. Variable speed control Convenient throttle lever adjusts speed from 500 RPM to 3,600 RPMErgonomic tool housing Comfortable, soft tactile grip, insulated for extended useCorrosion resistant Sealed components offer extra protection in wet environments. 12 Foot (3.65 m) Water Line, extra-long water line includes hose bib connectionWrench-free spindle-lock for quick and easy changing of accessoryBuilt-in water feed lineWater flows through stainless steel spindle. Adjustable side-handle offers added comfort for left or right hand useWick lube system for longer gear lifeModel includes 95848 Gear Oil and 95541 Gear Oil Gun. Part # 51520 Sold in qty's of 1 Height 43 Inch HP 1000 Country of origin Canada Product type Buffers & Polishers Spindle thread 5/8 Inch - 11 Male