Chain tensioner is a tool used to tighten cables, adjust equipment or equipment position, replace insulators and other tensions during the construction of transmission line projects. Peng rope tensioner has two kinds of steel and aluminum alloy. The former is heavier, but the load-bearing capacity is larger, the larger can bear 100kN tension. The latter is light weight, easy to carry, but the large load is generally not more than 50kN.

When using the wire fastener, first loosen the wire rope or galvanized wire on the wire fastener, fix it on the cross arm, clamp the wire with a clip, and then pull the special wrench. The fastener can improve the safety of the lifting process of cargo transportation.