Features: The 7-piece hex wrench set:Suitable for driving bolts and screws with hex sockets. The long arms ensure excellent leverage and make driving easier. Hexagonal ball-point on the long arm. easy to insert the screw heads from various angles. In order to work more efficiently and save-time. Long arms provide higher torques transmission and accessibility. Oxidized surfaces treatments provides excellent surfaces protections; cutting-edge precisions are higher,High-quality steel, fully hardened. The size printed on the blade for easy identification,All sizes are marked on the bracket for easy selections. Specifications: Material:Steel Note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 7x Hex Key Allen Wrench Set