| 摘要 |
The present invention relates to a clamp of a jig for fixing having an improved usage life and, more specifically, to a clamp of a jig for fixing having an improved usage life, which can be reused by replacing a replacement projection simply in a case of damaging and corrupting the replacement projection of an lower clamp and an upper clamp in the process of firmly fixing a material, by presenting a structure capable of simply replacing the replacement protrusion formed on the upper clamp and the lower clamp which mount and fix the material to be threaded, thereby enabling to extend the usage life of the device. |
