The Bosch Tuckpoint Grinder features a lock-on/off slide switch for extended use applications. The grinder also features a specially designed guard system for tuckpointing applications and a toolless wheel access for quick and easy wheel changes. The constant response circuitry provides constant speed under load and overload protection during use. Includes tuckpointing guard, auxiliary handle, clamping flange, round nut, spanner wrench, 5" tuckpointing wheel, vacuum adapter and hex key wrench. ADDITIONAL SPECIFICATIONS: Rating: 120V AC; Amperage: 8.5; No Load RPM: 11,000; Wheel Diameter: 4" to 9"; Spindle Thread: 5/8" - 11; Depth of Cut 4" Wheel: .75"; Depth of Cut 5" Wheel: 1.25"; Arbor Size: 7/8"; Wheel Type: Diamond Tuckpointing Wheel; Length: 11-3/4"; Weight: 6.4 lbs.