This Facom universal joint has a 1/2 in drive to fit 1/2 inch sockets, extensions and ratchets. It has spring-stiffened joints and will stay in position when reaching for fasteners. The universal joint will allow a bend in the turning axis, and is ideal for use with extensions for turning fasteners in difficult to access locations.Performance: conforms to ISO 3316, DIN 3123 and NF ISO 3316.