Item Name: Clamps Clip Adjustable Copper Car Battery Terminals Motorcycle Conductive Caps. Material: Aluminum alloyColor: sliverfor most car, boat, van batteryBattery Terminal ChampsInternal diameter:16-18mmPackage Included:1Pair x Battery Terminal ClampsNote: Please allow 0~1mm error due to manual measurement, Please understand, Thank you!Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, Thank you! *