Dogyu Hex Rotary Socket 5/16in and 3/8in #02763

Threaded rod driver. Patented. • Dual-purpose type: the socket can turn threaded rods of two sizes, front and back • Usable with a cordless driver or by hand (17mm socket compatible) • Attaching a flat ratchet or socket hammer to the hexagonal part allows use in narrow spaces or on stiff threaded rods.