Adopting sturdy materials, our car battery terminal connectors are built to withstand long time using. These car battery terminal adapters are with simple structure, easy to use, allowing for quick and effortless connection and disconnection of your battery terminals. Features -Color:multi -Material:Copper -Size:5.50X5.00X3.00cm/2.16X1.97X1.18in -Positive type hole diameter:18mm -Negative type hole diameter:17mm -Adopting sturdy materials, our battery terminal connectors are not easy to deform or break, ensuring long term using. -These car battery terminal connectors are with simple structure, easy to connect and disconnect, saving you time and efforts. -Perfect for upgrading the electrical system of your car, the battery terminal connectors can help improve the overall performance. -These connectors are easy to install, making them suitable for most professionals and DIY enthusiasts. -Reasonable structure, these car battery terminal adapters are of great use, meet your requirements very well. Package list: 1 Battery Connector(Positive Type) 1 Battery Connector(Negative Type)