Features: Quick Release Reversible 72 Teeth ratchet mechanism for smooth rotation Flexible head to aid access Driver is made from Chrome Molybdenum Steel material for strength Body made from 40CR, chrome plated for protection Ergonomic grip Supplied in EVA storage tray Specification: 1/4" Drive length: 305mm 3/8" Drive length: 457mm 1/2" Drive length: 609mm Drive: 1/4", 3/8" and 1/2"