Close End Connectors Material: Nylon 66 Feature:Nylon shell long copper tube,easy to conduct electricity and hold wire tight Close End Connectors1.Material :Nylon 66,94V-22.SPEC:HS-Φ3,HS-Φ4,HS-Φ5,HS-Φ6,HS-Φ83.Usage:Peel the coat of wire, then insert to tube,use pincers to fix them.4.Feature:Nylon shell, long copper tube, easy to conduct electricity andhold wire tight.