hex key Features: 1) Material: Carbon steel or CRV 2) Surface finish: black finishedor Nickel plated Hex KeyFeatures:1) Material: Carbon steel or CRV2) Surface finish: black finishedor Nickel plated3) Sizes: HF2025: 1.5,2,2.5,3,4,5,5.5,6,8,10(10pcs)HF1026: 1/16,5/64,3/32,1/8,5/32,3/16,7/32,1/4,5/16,3/8(10pcs)Also can be T9~T50