Metabo WP9-115 Quick 8.5 Amp 10,500 rpm Angle Grinder with Non-locking Paddle Switch, 4 1/2" Metabo LongLife motor with up to 50% more torque for quicker material removal, up to 20% higher overload capacity Suitable for AC/DC operation Dead-man paddle switch function provides immediate shutdown of the motor when the paddle switch is released 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