Cut-Off/Angle Grinder, Paddle Switch, 4.5-In.4 1 2", paddle switch, cut off angle grinder, powerful 7. 5a motor delivers 11,000 rpm for high output power, small diameter barrel grip only 2 1 2" for added comfort, labyrinth construction seals & protects the motor & bearings from dust & debris for longer tool life, lock on off feature for continuous operation, ac dc switch for use with alternative power source, protective zig zag varnish seals the armature from dust & debris for longer tool life,