Angle Grinders
Angle grinders can handle a variety of projects on different materials. Depending on the disc you mount, you can cut or grind metal, tiles and stone, and remove excess material after welding.

Powerful, equivalent to 1000W power but cordless!
20V PowerShare Cordless 125mm Brushless Angle Grinder with x1 4.0Ah Battery - WX814

Powerful, compact and safe
20V PowerShare Cordless Angle Grinder 115mm with x2 2.0Ah Batteries and Charger - WX800