We are presenting the best-in-quality 9 Pcs Hex Key Set to our respected clients. This kind of keys are suitable to meet screws tightening as well as losing needs of the engineering and automotive industries. The proposed key set is precisely designed and fabricated from from heat treated alloy steel, and is perfectly finished with chrome plating material that guarantee the highest strength, rust resistance and great longevity. The 9 Pcs Hex Key Set contains different sizes of keys from 2mm to 30mm.