Premium quality 72-tooth ratchet tool set made from chrome vanadium steel alloy with mirror chrome plated finish for outstanding strength and wear resistance. The 72-tooth ratcheting mechanism reduces swing arc for maximum access and torque in tight workspaces. Set includes 21pcs bit sockets (SL4,5.5,7, PH1,2,3, PZ1,2,3, Hex 3-8, T10-40), 13pcs 1/4 shallow drive sockets (4-14mm), 7pcs deep drive sockets (6-14mm), 1/4 quick ratchet handle with quick release function requiring only 5 degree sweep, and storage case. Also includes multi extension bars: 1/4"" universal joint, 2""/4""/6"" extension bars, 6"" flexible extension, sliding t-bar, spinner handle, 3 hex wrenches and bit adapter. Suitable for home improvement, construction, auto repair, woodwork and Diy projects. Quick release reversible mechanism with rubber handle for comfortable grip. Sturdy blow molded toolbox for easy storage and transport. Weight: 3.15 pounds.