The finest in antique socket-drivery, this socket driver is based on an 1904 patent by William Ward, but with several modern improvements. Each socket driver is made from 1144 steel, ~9in/22.8cm long, and weighs 0.44lb/200g. The main shaft is square so you can use a wrench on it for more torque. The socket driver end is for 3/8" square drive attachments and hardened to 52 HRC. The wooden (solid cherry) scales are hand finished with a hardening wax. Each socket driver is UNIQUELY NUMBERED under the handle scales. There is also a fully steel-handled version and a DIY-handled version.