• (1) Large Arbor, 3/8 in
• Durable hardened steel construction
• Fits all hole saws 1-3/16 in. and larger
• Fits all drill chucks 3/8 in. and larger
• Size Range 1-1/4 in. & Larger
• Shank Size 3/8 in.
Milwaukee® hole saw arbors are made from hardened carbon steel and alloy steel for greater durability. The 49-56-7040 features a hex shank which can be used with any 3/8 in. extension.