The Fein WSG17-150PRT 6" Compact Angle Grinder features the 1500 watt, 6" wheel diameter max, AutoStop switch, HO7 industrial strength rat tail cable, ErgoGrip for fatigue-free work, and full metal gear head that are used for grinding for a long peroids of time that due to the light weight of the grinder. It also has the self-start lock, soft start, and electronic overload protection due to the KickBack Stop.