ATL Welding Supply has a large stock of end wire brushes for use with cordless or electric drills. All end brushes have a 1/4" shank that will fit into any brand of drill. We have both knot cup end brushes and crimped cup end wire brushes. There are many varieties & sizes available. Usually the 1" end knot cup brush is the most common. Most drill end cup brushes have an RPM capability of at least 18000. If you need more details on any end brush, please call or email us with the information below.