Hex wrench or spanner (Wrench or Alen set-screw Hollow) using the wrench for a round head screw provided salok global. Do a Hexagon, which is used for special tasks, such as adjusting bolts (set-screw) fixing bolt l-wrench, etc, will produce a la page from steel strike. Hexagonal forming and hardening Size L is both ends the same and equal to the standard size holes carved heads associated with the torque to twist so. To be careful in using the wrench, l is the fit of the force used to tightening-loosening. Twist the spiral.
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