Milwaukee 49-56-7250 Hole Saw Arbor, 5/8-18 Thread, 3/8 in Shank, Hex Shank

Made from hardened carbon steel and alloy steel, drive plate with an enlarged grip area for easier operation and hex shank can be used with any 3/8 in extension. Fits all hole saws 1-1/4 in and larger, all drill chucks 3/8 in and larger.