The power to perform on heavy-duty grinding jobs. The 11-Amp Die Grinder offers 14500 rpm of grinding power for tackling the toughest grinding jobs. It accepts mounted wheels and points and reinforced wheels, up to 2 in for grinding, shaping and deburring work pieces of various shapes and diameters. The grinder includes a 1/4 in collet and will also accept a 1/8 in collet for increased utility. It features all ball and roller bearings for durability and a trigger switch on the back handle. The tool comes with open-end wrenches in 11/16 in, 1/2 in and 1 in sizes.