Adaptors

These are also called as Screw Driver Bit Holders. It has a 3/8" square drive female on one side and a ¼" Hex Drive female on the other end. It is also available in ½" Square Drive.
It has a spring release shell which retracts to accept the ¼" hex power type bits and Nut Runners. It is available in Black Industrial Rust Resistant Finish. It is ideal for products where positive bit retention is required.
The name Quick Change Adaptor is quite apt for this tool. It acts as an adaptor / mediator between the impact tool and the fastener tightening tool. This adaptor helps in quickly changing the fastener tightening tool to suit different tools.