31-Piece Hex Key Set - the ultimate combination of durability and versatility for all your fastening needs. Crafted from heat-treated steel with a black-oxide finish, this set includes 15 long reach hex keys and 15 high leverage short hex keys for maximum efficiency. Featuring a conventional drive end and a torque handle for increased force, this Allen wrench set offers complete coverage of hexagon socket screws in both inch and metric measurements. Organize with ease using the high-visibility size markings and sturdy carrying case. Choose the best option for professional results – choose our 30-Piece Hex Key Set.