♥ Easily crimp the ferrule with a crimping tool and securely fasten the ferrule to the end of the cable. ♥ All ferrules kit are placed in a storage box, easy to use/storage/carry. Exquisite Material: The wire ferrules are made of high-quality copper with tin-plated surface, which has excellent electrical conductivity and anti-oxidation; Sheath of ferrule crimp is made of PVC insulation material, which is comfortable to touch and durable. Leia Mais