"The Klutch 8 Amp, 11,000 RPM Angle Grinder gives you the power for your toughest jobs, including grinding excess material, cutting into a workpiece, or sharpening tools and equipment. Amps 8, Battery Included No, Case Included No, Dimensions L x W x H in. 14 x 5 x 4, Length in. 16 1/2, Product Type Handheld, Side Handle Yes, Speed RPM 11,000, Spindle Lock Yes, Spindle Thread Size 5/8 in.-11, Variable Speed No, Wheel Diameter in. 4 1/2, Wheel Included Yes, Wrench Included Yes. 5/8in.-11 UNC spindle thread fits standard 4 1/2in. grinding wheels Spindle lock for quick wheel changes 3-position auxiliary handle top, left or right side Trigger on/off switch and locking on switch for long jobs"