Metabo WEV10-125 9.5 Amp 2800-10500 rpm Variable Speed Angle Grinder with Electronics and Lock-On, 5" Metabo LongLife motor with up to 50% more torque for quicker material removal, up to 20% higher overload capacity Electronic Variable Speed dial to match the RPM of the tool to the requirements of the application Metabo S-Automatic safety slip clutch helps the user to maintain control if the accessory jams reducing the likelihood of kickback Power interruption protection which prevents unintentional starting of the machine when there is temporary loss of power Electronic soft start for smooth startup, increased user control, and extended motor life