The 4-1/2 / 5 Paddle Switch Angle Grinder, with AC/DC Switch, has a powerful 11 AMP motor for more output and delivers 11,000 RPM to handle the most demanding applications, all in a compact size. The large paddle switch design allows for easy power start in multiple grip positions. The grinder features a narrow barrel grip design and rubberized side handle for increased user comfort. An integrated tether loop can be attached to lanyards when working at high altitudes. The guard can be rotated with a tool-less adjustment for increased productivity. There is no lock-on power switch, but there is a two-stage power lock-off. The AC/DC switch allows the grinder to be used with an alternative power source. The Makita Angle Grinder is ideal for welders, fabricators, masons, maintenance/repair and more.