2pcs 1/2" Square Female to 1/4" Hex Female Adapters Chrome vanadium steel for durability and ability to withstand severe impact from impact drivers Quick release and safety lock design improve your working efficiency. The adapter securely holds any 1/4" hex shank bit (including insert bits). Convert any air or power impact wrench into a drill or ratchet into a screwdriver with this one-piece chuck converter. Features: Quick Release Adapter, Hex Shank Adapter. Convert any air or power impact wrench into a drill or ratchet into a screwdriver with this one-piece chuck converter. Quick Release Converter for Impact Wrench. 1/2" drive to 1/4" hex converts a pneumatic or power impact wrench into a drill. Ideal for mechanics, engineers, carpenters or DIY enthusiasts. Specification: Type: Telescopic Chuck Converter Material: Chrome Vanadium Steel Type: 1/2" Drive to 1/4" Hex Suitable Bit: 1/4" Hex Shank Quantity: 2pcs Package Content: 2pcs x Flexible Drill Chuck Converter