Bosch 1800 4-1/2" Angle GrinderBosch makes the world's best selling professional grinders. Bosch 1800 4 1 2" Angle Grinder provides visible quality from start to finish, whether you are sanding, grinding, or cutting. Lock on off switch for extended use applications AC DC capability Extends the versatility of the tool by working from DC outlets such as welders and generators Vibration Control Handle Reduces vibration up to 60%, providing uncompromising user comfort for extended