Metabo 6 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. Gear housing can be rotated at 90 steps for increased comfort and ergonomics during left-handed operation or for cutting applications. Metabo LongLife motor with up to 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. Metabo Quick System the fastest tool-free disc change system at the touch of a button Pack of 1 WARNING This product can expose you to chemicals including Silica, crystalline airborne particles of respirable size , which is known to the State of California to cause cancer and Lead which is know to the State of California to cause birth defects or reproductive harm. For more information go to www.P65Warnings.ca.gov