TengTools 3/8 square drive 4 mm hex bit socket with a ball point end. Compliant with DIN 7422 standards, this bit socket is designed for professionals in sectors like automotive maintenance, electrical installations, and industrial engineering. The S2 steel bits are pressed into a chrome vanadium socket with a matte finish, making them suitable for various types of precision work with small tolerances. The ball point end allows for angled access to fasteners, useful in limited space conditions. A ball retention groove in the socket ensures a strong grip on the ratchet handle.