1Wide Application: The connector is suitable for use in power supply systems for cars, caravans, boats, yachts, racing cars, agricultural vehicles, etc. 2Advantages: Large cables that pass through holes are prone to friction even with protective sleeves. Battery terminal connector eliminate friction and provide excellent strain relief for the cable. 3Stable Performance: Durable brass stud terminals eliminate short circuit problems. And the connector use to run power safely through a firewall or other panel. 4Material: This connector is made of rubber and zinc alloy and brass, strong and rustproof, high strength, stable and reliable performance. 5Safe Installation: Battery cable terminal connector can ensure that the feed thru is securely mounted in the toughest conditions.