VEVOR Torx Bit Socket Set, 34-Piece Solid Star and Tamper Proof T6-T70, S2 Alloy Steel and Cr-V Steel, 1/4 in, 3/8 in, and 1/2 in Drives, with Enhanced Storage Case, Torx Sockets for Hand Use One Set Covers All Needs Crafted from Alloy Steel Efficient Operation Comes with a Storage Case Wide Range of Applications Versatile Applications Case Color: Black,Main Materials: S2 (Bits) + CRV 50BV30 (Sockets),Bits Hardness: 56-62 HRC,Sockets Hardness: 38-42 HRC,Item Model Number: 34PCS 34T,Product Configuration: 34PCS Torx Bit Set,Case Material: PE,Net Weight: 3.37 lbs / 1.53 kg,Case Dimensions: 13.31 x 7.68 x 2.1 inch / 338 x 195 x 53 mm