2-IN-1 DESIGN - Each square drive has a built-in hex drive.
FAST & EASY - Reduces installation time and the costly equipment downtime.
QUICK-CHANGE DESIGN - Allows fast change-over between sockets and hex bits without having to remove the adapter from the tool.
BLACK OXIDE FINISH - Provides corrosion protection.
IMPACT-RATED - For use in battery-powered or pneumatic impact drivers with up to 167 lb.-ft. of torque. Provides long life in demanding applications.
1/4" QUICK-CHANGE SHANK - For use in impact drivers or bit holders.
INCLUDES: 3/8" square drive with 1/4" internal hex for insert bits or hex head screw. 1/2" square drive with 5/16" internal hex for insert bits or hex head screw.