Sonic 8143703 is a 3 mm hex bit socket built for a 1/4 inch drive, designed to drive or remove 3 mm hex fasteners with a standard ratchet. The 1/4" drive lets you reach into tight spaces while keeping the hex bit fully seated for consistent turns. Ideal for any job involving 3 mm hex screws where a compact, dependable tool is required with a compatible 1/4" drive ratchet.
