The BlueSpot 29 Piece Torx Socket And Bit Set is manufactured from chrome vanadium steel for increased durability. The set includes 1/4" and 3/8" female Torx sockets as well as a range of male 1/4", 3/8" and 1/2" sockets/bits. Includes sturdy plastic case for quick and convenient storage. Manufactured from Chrome Vanadium Steel for increased durability. Knurled sockets to provide a secure grip. Includes sturdy plastic case for quick and convenient storage. Package Contents: 1/4" Female Torx Sockets: E4, E5, E6, E7 & E8. 3/8" Female Torx Sockets: E10, E12, E14, E16, E18 & E20. 3/8" Male Torx Sockets: T10, T15,T20,T25 & T27. 1/2" Male Torx Sockets: T30, T40, T45, T50 & T55. 1/4" Male Bits: T8, T10, T15, T20, T24, T27 & T30. 1/4" Bit Holder.