Crescent® mechanics tools are made from chrome alloy steel which is specially formulated and heat-treated for high strength and superior resistance to abrasion and corrosion. The wrenches, ratchets, sockets, and drive tools all have a flawless chrome finish to extend the tool life. The sockets and box end of the combination wrenches both feature off-corner loading which reduces fastener rounding. This wide selection of Crescent® tools satisfies today's rigorous mechanic's tool demands. This mechanic's tool kit includes a 1/4-inch drive 72-tooth quick-release ratchet, 3/8-inch drive 72-tooth quick-release ratchet, 1/4-inch drive 3-inch extension bar, 3/8-inch drive 3-inch extension bar, 3/8-inch drive 6-inch extension bar, twenty-two 1/4-inch drive six-point sockets, twenty-six 3/8-inch drive six-point sockets, 3/8-inch drive 5/8-inch spark plug socket, 12 combination wrenches, 24 hex keys, two hex key holders, 6-inch diagonal pliers, 6-inch long nose pliers, 6-inch adjustable wrench, magnetic bit holder, two screwdrivers, 40 screwdriver bits, and 12 nut driver bits all packed inside a blow-molded carry case.