Superior Electric K21 Japanese Aftermarket Carbon Brush Set Replaces Makita (CB-154), 181047-4, 194986-9, 643152-0, 643153-8, 957805410 & 643154-6 Replaces Makita (CB-154), 181047-4, 194986-9, 643152-0, 643153-8, 957805410, 643154-6 Material: Japanese Toyo TANSO Carbon Dimensions (LxWxH): 0.73 inch x 0.52 inch x 0.25 inch