Labyrinth construction seals and protects the motor and bearings from dust and debris for longer tool life. Slide switch design with lock-on for added user convenience. Protective zig-zag varnish seals the armature from dust and debris for longer tool life. All-ball bearing design and metal gear housing for added durability. Machined bevel gears provide up to 2 times longer service life. Side handle is positioned at an increased 20 deg (degree) angle for added comfort. Two position adjustable side handle for operator convenience. Double insulated. Includes grinding wheel, wheel guard, lock nut, lock nut wrench, inner flange, side handle.