DELTA 23-725 8-Inch Industrial Grinder Friable, aluminum oxide wheel for high-speed steel tools Slow, 1,725 RPM speed reduces heat while grinding Shatterproof eyeshields safeguard operator-feets eyes Conveniently placed water tray is always there when you need it for cooling the workpiece Adjustable spark deflectors, sturdy wheel guards and removable side plates provide increased operator safety Sturdily constructed tool rests adjust horizontally and vertically, and tilt for exact grinding angle desired