Very Happy with purchase. Did just what I needed it to do. Great value. Fast service. Features and Benefits:This Milwaukee hole saw arbor has a 3/8 inch hex shank for greater gripping capability in the chuck. It can be used in 3/8 inch capacity drills and larger. The arbor has a 5/8-18 thread and can be used on hole saws from 1-1/4 inch and larger. It can be used with 49-56-8010 pilot bi...