The GEARWRENCH 36 piece 1/4″, 3/8″, and 1/2 drive hex and Torx® bit socket set features is furnished in a durable blow mold case for storage and added organization. The bits are manufactured from S2 steel for great strength and are heat treated for durability. Each socket is hard stamped with sizes for easy identification. The set includes 6 SAE hex bit sockets from sizes 5/32″ through 3/8″, 10 metric hex bit sockets from sizes 2mm through 10mm, 11 Torx® bit sockets from sizes T10 through T55 and 9 External Torx® sockets from sizes E5 through E18. Bits made of S2 steel for strength and durability. Heat treated for maximum durability. Hard stamped size markings. Heat treated socket bases for durability and serviceability. Includes: T10 T15 T20 T25 T27 T30 T40 T45 T47 T50 T55, E5 E6 E7 E8 E10 E12 E14 E16 E18, SAE Hex: 5/32 in 3/16 in 7/32 in 1/4 in 5/16 in 3/8 in, Metric Hex: 2mm 2.5mm 3mm 4mm 5mm 6mm 7mm 8mm 9mm 10 mm. Blow mold storage case included. Meets or exceeds ASME b107.1, b107.5m.