STANLEY STMT45505 43pcs 1/2 SQ.DR. RATCHET SOCKET SET METRICThe Stanley STMT45505 89 509 43 piece socket set features a 1 2" square drive and is constructed from high grade chrome vanadium steel, ensuring strength and durability. The set includes 12 point sockets, a pear head ratchet, extension bars, a universal joint, and a spark plug socket, all organized in a durable case for easy storage and transport