Milwaukee 49-56-7010 Hole Saw Arbor 3/8-Inch Shank
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 1/2-20 thread and can be used on hole saws from 9/16 inch through 1-3/16 inch.  It can be used with 49-56-8010 pilot bit which is supplied with this Arbor for use on wood and metal.  One arbor and pilot per package.