All 9Pcs Medium Hex Key Wrench keys are manufactured from fully hardened High-Quality Chrome Vanadium Steel - The overall surface heat treatment, precision bite non-slip design, torque, strong grip, durable
Hexagon Flat Face Chamfering Fine Design, work lat, so that wrench completely fit the bolt hole, the torque uniform, force, effectively improve the effciency.
Plastic Clip Design: Set with a standard Plastic Clip, easy to use custody, fixed every wrench, it is not easy to scattered messy.
The Overall Design is Exquisite: Wrench overall concise atmosphere, small and flexible, easy to use, easy to carry.