The BlueSpot 9 Piece 1/4" Torx Bit Socket Set is manufactured from chrome vanadium steel for increased durability. Features knurled sockets to provide a secure grip. Includes socket rail for quick and convenient storage.Manufactured from Chrome Vanadium Steel for increased durabilityKnurled sockets to provide a secure gripIncludes socket rail for quick and convenient storagePackage ContentsT10, T15, T20, T27, T30, T40, T45, T50 & T60