Makita GA6020 6-Inch Angle Grinder with Super Joint System Super Joint System (SJS) technology helps prevent gear damage caused by accidental wheel binding Powerful 10.5 AMP motor delivers 10,000 RPM for the most demanding applications Electric brake for maximum productivity Labyrinth construction seals and protects the motor and bearings from dust and debris for longer tool life Refined design at only 6.7 lbs. for reduced operator fatigue AC/DC switch for use with alternative power source Protective zig-zag varnish seals the armature from dust and debris for longer tool life Externally accessible brushes for greater serviceability Ergonomic soft grip provides increased comfort on the job Ideal for welders, fabricators, masons, maintenance/repair and more 6"" Grinding Wheel (A-80846) Wheel Guard (165488-2) Inner Flange (224361-6) Lock Nut (193465-4) Lock Nut Wrench (782424-9) Side Handle (153504-2) GS5000 9557PBX1 9564P GA7031Y GA9031Y GA5020Y GA4534 GA4530 GA4030K GD0601 9565PC 9564PC 9566PC GA6010Z GA5020 GA5010Z GD0600 GA9040S GA9020 GA7040S GA7020 GA7021 GA7011C 9558PB 9557PB 9557NB 9566CV 9015A GD0800C GA7001L 9005B 9565CV 9564CV Super Joint System (SJS) helps prevent gear damage caused by accidental wheel binding Powerful 10.5 AMP motor delivers 10,000 RPM for the most demanding applications Labyrinth construction seals and protects the motor and bearings from dust and debris for longer tool life Electric brake provides higher work efficiency for the operator AC/DC switch for use with alternative power source