HT1803 Gobraznye hex keys are used to perform the installation and removal of screws and bolts with hexagon size from 1.5 to 10 mm. Put this in your glove box set of 9 keys, and he is sure to bring you a favor. Made of steel S2, are molded and form nickel plated all provide durable high performance in operation. The keys are placed in a special holder, which provides the convenience store. Features Easy to do their job and do not deform as made from high quality tool steel S2. Quick selection of the desired key thanks to the open storage case marked. Additional wear resistance and toughness due hex keys nickel plated. Exact fit in the holder is provided a multi-stage Cutting Edge processing technology.