Hex Key that we are presenting has great usage in automotive as well as machine engineering industry. It is used as a common tools at the time of tightening and loosing bolts & nuts with a hexagonal socket in the heads. This kind of key has tremendous strength, corrosion proof finish, and ideal dimension as it is fabricated from hardened & tempered alloy metal with sophisticated machinery & equipments. The Hex Key comes in a variety of sizes with chrome plating finish.