Proxxon industrial 50 piece precision engineer s baton ratchet set proxxon 23280 this 50 piece socket set from proxxon industrial has a frac14 in square drive and a range of sockets deep sockets for protruding bolts and screwdriver bits with a square drive for slotted phillips torx and hex screws proxxon industrial 23280 precision engineer set 1 4 baton ratchet 50 piece