BOSCH 5" Paddle Switch Grinder - Smooth operation. Well-routed exhaust. Great balance. Features Vibration Control Handle - Reduces vibration up to 60%, providing uncompromising comfort for extended periods of work. Paddle Switch with Lock-on - For better operator comfort and control. AC/DC capability - Extends the versatility of the tool by working from DC outlets such as welders and generators. Sealed switch - Keeps debris out of the switch mechanism and extends switch life. ServiceMinder(TM) brushes - Eliminates guesswork, stops the tool when preventative maintenance is required. Epoxy Coated Field Windings - Provides ultimate protection against abrasive dust and metal debris. Directed Air Flow - Unique design diverts dust away from switch and vital components. Spindle Lock  For quick wheel changes. 5/8" -11 Spindle  wide flexibility for mounting most popular accessories. Tool-free adjustable guard - Quick guard installation and adjustments. Specifications: Amperage: 9.0, Certifications: cULus, Length: 11-3/4", Max. Motor HP: 1.8, No Load RPM: 11,000 Rating: 120 V AC/DC, Spindle Thread: 5/8" - 11, Weight (lbs.): 4.8, Wheel Diameter: 5". Includes: Guard, Vibration Control Auxiliary Handle, Flange Kit(inner and outer wheel flanges), Spanner Wrench, Abrasive Wheel.