材质：PP或NYLON66。
特点：1.中途辅助之接线用。

 2.使用时不须事先剥线，只要选好位置压扣即可。

Material: PP or NYLON66.

Features: 1. Auxiliary wiring in the middle of the way.

      2. There is no need to strip the thread in advance, as long as the position is selected.