A must-have for any car owner, these battery terminal connectors are compatible with most common battery terminals, thanks to their reasonable structure design. Designed for easy installation and removal, these battery terminal adapters are good for professional mechanics and DIY enthusiasts Features -Color:multi -Material:Copper -Size:5.50X5.00X3.00cm/2.16X1.97X1.18in -Positive type hole diameter:18mm -Negative type hole diameter:17mm -Widely used in automobiles, ships, trucks, and more, the battery terminal connector can be compatible with commonly used battery terminals. -Easy installation and secure attachment to the battery post, these battery terminal connectors can be a convenient choice for any car owners. -Crafted from sturdy materials that are not easy to deform, the battery connectors ensuring use and reliability. -These battery terminal connectors make it easy to connect and disconnect battery terminals, saving you time and efforts. -Thanks to their easy installation, these connectors are suitable for both professional mechanics and DIY enthusiasts. Package list: 1 Battery Connector(Positive Type) 1 Battery Connector(Negative Type)