The Metabo WE 15-150 Quick 6" 13.5 Amp Angle Grinder with TC Electronics and Lock-On Sliding Switch (600464420) is a premium grade grinder that is designed to handle the toughest jobsite conditions. Its LongLife motor produces 50% more torque for quicker material removal, up to 20% higher overload capacity and 30% more protection against dust and debris for longer service life. The Tacho-Constamatic Full wave electronics maintains the speed of the tool for maximum productivity even under heavy operating conditions. An S-Automatic safety slip clutch helps the user to maintain control if the accessory jams reducing the likelihood of kickback. Plus, the Quick System offers fast tool-free disc change system at the touch of a button.