HONITON Hex set key long 8pcs

The result of the research has developed ribbed design key (hardness HRC 58), which prevents accidental loosening of the keys of the screw and its subsequent damage. A new type of allen keys thanks to its sloping edge fits perfectly into the screw and through its surface in a well seated at all times. Since the standard hex keys provides similar services, the newly patented hex keys designed to prevent loosening of the screw and possible damage. Perfect adhesion surface to surface multiplies torque and prevents possible damage to the screw.