This product is a battery terminal kit, mainly made of sturdy and durable zinc alloy material, to serve you and provide better conductivity. workmanship, not easy to rust, not easy to corrode, durable and bring you a better experience. Features -Color: As shown. -Material: Zinc Alloy. -Size: About 8.50X3.60X3.40cm/3.34X1.41X1.34inch. -Made of copper-plated zinc alloy material, it has good conductivity, performance and can be durable over time. -With a rational design, the can be easily installed, bringing convenience to your daily work. -Mainly used to prevent leakage, disconnect the battery safely for good protection. -Used for battery isolation and protection of electrical systems, removing any power drain from the battery when the vehicle or boat is not in use, safely disconnecting the battery. -The installation is simple, the use is easy, and it provides more convenience for your use. Package list: 2 x Battery Pile Heads 2 x Insulating Spacers 1 x Terminal Head Brush 2 x Positive and Negative Terminals