DEWALT® 4-1/2 in. - 5 in. Trigger Grip GrinderThe DEWALT DWE43113 4 1 2" 5" high performance trigger grip Grinder is powered by a 13 amp motor and equipped with the dust Ejection system technology designed to protect the tool from damaging dust and debris that enters through air intake vents. It has a side handle for an alternative grip, along with a 5" type 27 guard. This Grinder also features a trigger switch with a 'lock on' option the no load speed at 9000 RPM, with inner and outer flanges.