Bodies are forged from chrome vanadium. 6-point and 8-point sockets reduce fastener rounding and/or slippage. Each socket wrench features a quick-release and reversible mechanism for easy operation. All components meet or exceed ANSI specifications. Each kit includes pear-head ratchets, deep well sockets, standard sockets, a spinner handle, extension bars, spark plug sockets, a set of bits and a durable plastic carry case.