All Cable Housing Ferrule Pin Cord End Terminal are made of high quality copper material.silver plated,anti-oxidation,anti-corrosion.
Ferrules designed with insulation flare makes wire insertion easier and eliminates loose strands of wire, prevent wire ends from fraying or breaking.
This set include 4 types wire copper crimp connectors will meet all your demands.Widely used in car audio equipment,amplifiers and household appliances.