CTT 3/8″ Drive Universal Joint This CTT 3/8″ Drive Universal Joint is Constructed from Chrome Vanadium Steel for long tool life. Universal joints will increase your access to hard to reach nuts, bolts and fasteners. Universal Joints work around obstructions and get into tight spots, delivering the torque needed to break loose stubborn fasteners. When space is limited, they save you time and help you avoid unnecessary disassembly steps. Constructed from Chrome Vanadium Steel. Features:CTT 3/8″ Drive Universal Joint, polished and chrome plated finish Works around obstructions to access hard-to-reach fastenersSpring-loaded ball detent securely latches onto socketsDrop Forged, Chrome Vanadium Steel ConstructionChrome plated finish resists rust and corrosionHigh quality, ball type swivel for long tool life