Metabo 6 in Angle Grinders Mechanical Safety Brake stops wheels in under 2 seconds. Metabo S-Automatic safety slip clutch helps the user to maintain control if the accessory jams reducing the likelihood of kickback. Metabo anti-vibration side handle provides vibration dampening for convenient continuous operation. Electronic soft start for smooth startup, increased user control, and extended motor life. Electronic Speed Stabilization maintains the speed of the tool for maximum productivity even under heavy operating conditions Pack of 1