Use T-Handle drive to tighten/loosen fasteners and shaft drive for quick installation/removal of fasteners 3/8 in. drive has a compact 7 3/4 in. drive shaft length for tight access and easy transport Use with 3/8 in. drive sockets, hex drives, crow s foot, swivels, etc. Chrome-vanadium tool steel shaft and T-Handle Durable nickel pewter finish Limited lifetime warranty