General description Siegen Extension Bar Set includes three pieces with a 1/4" square drive, designed for durability and ease of use. The set is made from high-quality Chrome Vanadium steel with a mirror finish, ensuring both strength and a sleek appearance. It features spring-ball socket retainers for secure attachment to sockets. Technical specifications Material: Chrome Vanadium steel Lengths: 50 mm, 100 mm, 150 mm MPN: S0718 EAN: 5054511784954 Other information