3M 7100075514 Die Grinder is a versatile power tool suitable for various industries such as AOEM, aerospace, metalworking, and woodworking. With a maximum speed of 18000 rpm and a pneumatic power source, it is ideal for deburring, grinding, and polishing applications. The adjustable exhaust position and straight shaft grinding capability make it convenient for blending corners, cleaning internal diameters, and straight-line brushed finish. The die grinder has a motor HP of .5 (372) and a collet size of 1/4 in.