HEX KEY SET, LONG, BALL-SHAPED END | 1.5-10 MM | 9 PCS (YT-0506)

Ideal set of Allen keys used to drive hex screws and bolts. The set comes in a practical and handy plastic case for hanging; easy to quickly locate the appropriate key size.

Keys forged from high-quality CrV 6150 chromium-vanadium steel for high resistance and resilience. Hex keys possess a working hardness of 52-55 HRC.