2Pcs/Set 1/4 square hole to 1/4" 6.3mm Hex Screwdriver Bit Adapter Holder Socket
Converts a 1/4" (6.3mm) square drive to a 1/4" hex shank, making it suitable for most screwdriver bits, drill drivers, ratchets, and power tools. 2Pcs/Set 1/4 square hole to 1/4" 6.3mm Hex Screwdriver Bit Adapter.