Craftsman 140 piece Mechanics Tool Set 2 - Quick Release Ratchets (1/4, 3/8) 1 - 1/2-Inch Adapter 3/8-Inch Drive 79 - Sockets (1/4, 3/8 + 1/2-Inch Drive) 2 - Extension Bars (1/4 + 3/8-Inch Drive) 6 - Open End Wrenches (Inch and Metric) 1 - Magnetic Handle 12 - Nut Driver Bits (Inch and Metric) 15 - Screwdriver Bits 22 - Hex Keys (Inch and Metric)