The 4.5 A Die Grinder offers 21000 rpm of grinding power in a streamlined, lightweight design. Attach mounted wheels and points up to 1-5/8 in 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 paddle switch operated with body grip control. The tool comes with open-end wrenches in 11/16 in and 1/2 in sizes.