[SIZE] - 1/2 Inch Square Female to 1/2-20UNF Threaded. [Material] - Carbon Steel converter, blackening anti-corrosion surface treatment for longer life. [FEATURE] - 1/2" by 1/4" chuck converter, can easily transform power impact wrench to a drill. [APPLICATIONS] - Fit for 1/4" hex shank tools, such as drilling bits, driver bits or hex shank adapter. Suitable for professional or DIY enthusiasts, such as mechanics, engineers, carpenters, etc.. [PACKAGE CONTENT] - 1 Sets of Chuck Adapter (Each set includes an adapter, an o-ring and a pin).
