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Milwaukee hole saw arbors are made from hardened carbon steel and alloy steel for greater durability. The 49-56-9100 features a 7/16 inch hex shank, which can be used with any 7/16 inch 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.
- Tool-free operation
- Universal, quick change with all brands of hole saws
- No adapters required
- Durable hardened steel construction
