Metabo WE15-150 Quick 13.5 Amp 9,600 rpm Angle Grinder with Electronics and Lock-On Sliding Switch, 6" Metabo LongLife motor with up to 50% more torque for quicker material removal, up to 20% higher overload capacity Electronic Speed Stabilization maintains the speed of the tool for maximum productivity even under heavy operating conditions Metabo S-Automatic safety slip clutch helps the user to maintain control if the accessory jams reducing the likelihood of kickback Metabo Quick System: the fastest tool-free disc change system at the touch of a button Electronic overload protection which helps protect the tool from overheating in demanding applications providing long service life