Description Made of source material, professional designed for car/boat/RV use perfectly, also can be use forelectric transportation use.Ideal for battery installs in tight spaces. Fast install and uninstall. Fit for daily use. Features - Brand: Red+Blue. - Color: Copper+Plastic. - Material: ABS - Size: 7.00X4.00X2.80cm/2.75X1.57X1.10in -Internal diameter (positive): 18mm / 0.7" - Internal diameter (negative): 15.5mm / 5.9" - Made of source material, source material make it more safety to use. - Professional designed for post batteries and side post batteries with standard post adapters. - Included an negative clamp and one positive clamp, fixed by a screw clamp. - Fit with car/boat/RV use perfectly. - Easy to install and uninstall, also fit for electric transportation use. -Warm Tip: Dear buyer, Due to lighting effect,monitor's brightness,manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. sincerely hope that you can understand! Thank you!Package list: 2 x Battery Terminals Clamps