These are positive and negative terminals, safe and durable, withstand your long period of using. Scientific design makes installation faster and easier. It can be widely used in ships, small yachts, campers, automobiles and more scenes. Adopting iron and brass materials, it will not easy get deform. Features - Color: Assorted color. - Material: brass, iron. - Size: 5.80X3.40X2.00cm/ 2.28X1.34X0.79inch. - The craftsmanship is outstanding, can be used for battery extension, parallel connection and grounding. - Mainly made of iron and brass materials, sturdy and durable, good in texture, can be used for a long time. - Easy to identify the positive and negative. Prevent the risk of electrical shocks. - Compact size and simple structure, you can easily install and use without much efforts or time. - Professional and stable performance, good conductivity, high flexibility, not easy to break or deform. Package list: 1 pair x terminals 2 x washers 1 2 x battery terminal connectors