Proto 7/16" Hex Shank x 1/2" Square Adapter J7121

This 7/16" Hex Shank x 1/2" Square Adapter J7121 is made of forged steel, ensuring durability and strength. The size is conveniently stamped on the tool for easy identification, saving time and effort. With a ball detent feature, this adapter securely holds the bit in place during use. Upgrade your toolkit with this reliable and efficient adapter.