Milwaukee® hole saw arbors are made from hardened carbon steel and alloy steel for greater durability. The 49-56-9100 features a 7/16 in. hex shank, which can be used with any 7/16 in. extension. The 49-56-9100 also features a drive plate which is tightened up to the hole saw to eliminate wobble between the Arbor and hole saw.

• Universal, quick change with all brands of hole saws
• No adapters required
• Durable hardened steel construction
• Fits all hole saws 1-1/4 in. and larger