Make hole saw bit changes quickly and easily with the Milwaukee 3/8 in. Large Thread Quick Change Arbor. This arbor is designed to fit 3/8 in. and larger drill chucks, and it is made from hardened carbon steel and alloy steel for superb durability. Unlike other arbors, it does not require the use of an adapter and is compatible with all hole saw brands. The quick-change design allows for tool-free bit exchanges, making bit swaps a cinch. Additionally, the arbor features a drive plate with an enlarged grip area, offering easy operation. With its hex shank, this arbor allows for higher torque applications and less slippage from your drill. If you're looking for a reliable and convenient solution for changing hole saw bits, the Milwaukee 3/8 in. Large Thread Quick Change Arbor is the perfect choice.