Great for car amps and battery terminals, also can keep from having stray strands hanging out and makes adapter use easier. It will also save your wire from getting chewed up from a set screw. Made of copper quality material, not easy to break and damage, can be served . Features - Color: Silver. - Material: Copper. - Size: About 2.00X1.00X0.50cm/0.79X0.39X0.20inch. - Wear resistance and corrosion resistance, . Good electrical conductivity, stable and reliable wiring. - These wire ferrules can help you organize scattered wires and prevent them from fraying or breaking. - The high hardness prevents it from opening under normal tension or pulling wires. - Have enough thickness to ensure that they will not crack or break during crimping. - Provide you with just the right mechanical strength and electrical contacts. Package list: 330 Terminals