Makita GA4530 4-1/2-Inch Angle Grinder,Makita,GA4530" /> Powerful 6.0 AMP motor delivers 11,000 RPM for the most demanding applications Compact design at only 4.0 lbs. for reduced operator fatigue 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