CG10-115PDEV 4-1/2 In. Angle Grinder, Wheel Diameter 4 1/2 in, Current 10 A, Max. Speed 10,500 RPM, Minimum Speed 2,700 RPM, Switch Type Paddle, For Wheel Type Type 1: Type 42, Type 27, uses hubs, Overall Length 15 1/2 in, Kit Contents (1) Bare Tool, Accessory Free Tool Change Yes, Head Type Standard Head, Grip Style Barrel Grip, Housing Material Plastick Composite, Guard Adjustment Toolless Adjustable, Spindle Thread Size 5/8 in-11, Duty Heavy Duty, Brake Type Electronic