The Milwaukee 48-03-1005 Angle grinder adapter works for most angle grinders with a M10-1.25 threaded arbor. Screw on adapter for increasing the M10-1.25 arbor thread to the larger 5/8-11 accessory thread size. The adapter is commonly used on wire cups and wheels. Adapter is a common size for most angle grinders. Includes (1) adapter M10-1.25 to 5/8”-11.