FeaturesPowerfull 7.5 AMP motor delivers 11,000 RPM for high output powerCompact design with small 2-1/2" diameter barrel and weighs only 4.5 lbs. for added comfortProtective zig-zag varnish seals the armature from dust and debris for longer tool lifeLabyrinth construction seals and protects the drive gear and bearings from contamination for longer tool lifeAC/DC switch for use with alternative power sourceThicker coil wires are wound more closely to reduce heat and energy lossAll-ball bearing design and metal gear housing for durabilitySlide switch with lock-on for continuous useSide handle can be positioned on both sides for operator conveniencePush button spindle lock for operator convenience