[Strong & Sturdy]: Made of sturdy plastic, the solar connector wrench is not fragile during use, even in winter.Compared with metal materials, it is not easy to damage the shell [Applies To]: Packed 12PCS solar spanners wrench, Used for extension solar panel PV wire, pv connectors, pv cable, solar generators and solar wire connectors. [Easy to install]: Very handy and easier to assembly and disconnect, Inserting the pin into the junction of the two connectors and pulling the two connectors to the sides to easily separate the conn [Size]: 1.49in/38mm x 4.64in/118mm .The solar panel connector assembly tool adapts to common solar connectors on the market, Manufacturer: Mcnhbdgg