... High quality 3) Reasonable price 4) Use good raw material peel the coat of wire,then insert to ... tube,use pincers to fix themfeature:nylon shell, long copper tube,easy to conduct electricity ... D3,D4,D5,D6,D7,D8,D10· Shell material: Nylon 66, 94V-2· Usage: Peel the coat of wire ... insert to tube, use pincers to fix them.· Feature: Nylon shell , long copper tube , easy to conduct electricity ...