The Beta Tools Double Swivel End Socket Wrenches, No. 80, are made to swivel 180-degrees on a single-plane axis to allow access to confined spaces. The wrenches are bright polished chrome vanadium steel with 12-point sockets. They come in 14 metric sizes from a 6 by 7mm to a 30 by 32mm to cover the fastener sizes most common for auto technicians.