These are positive and negative battery terminals, safe and durable, withstand your long time of using. Reasonable design makes installation faster and easier. With excellent working performance, it can be widely used various kinds of car. Adopting tinned copper materials, it has high hardness and will not easily get deform. Features - ColorAssorted Color - Material: tinned copper. - Size: 8.00X6.50X2.00cm/ 3.14X2.55X0.79inch. - The craftsmanship is , can be used for battery extension, parallel connection and grounding. - Using tinned copper materials, sturdy and durable, excellent in texture, can be used for a long term. - Easy to use, the positive and negative battery clamps can prevent the risk of electrical shocks. - Compact size and reasonable structure, you can easily install and use without much efforts or time. - Professional and stable working performance, good conductivity, high hardness, not easy to break or deform. Package list: 1 x Positive Terminal Clamp 1 x Negative Terminal Clamp 2 x Washers 1 x Battery Brush 2 x Terminal Connectors