It's clamp size can be adjust with the aim of holding each size of embedding block.
其夹口大小可调整，以便夹持各种大小的包埋块。
2
Each of the right clamp and the left clamp has wide flat holding end, transverse slots of different widths in the holding surface, and spherical locking tail end.
左钳和右钳夹持端为宽扁嘴样，夹持面各有相对应不同宽度的横行槽，尾端锁止部为球形；
3
After completing the linear travel, rotation occurs swinging the clamp arm away from the work holding area.