Feature:1. Copper battery cable terminal, good conductive performance, corrosion resistance, can reduce voltage distortion and transmission loss.2. Simple wiring, secure connection, not easy to loose, reliable to use, bring much convenience for you.3. Wide application, suitable for car, marine boat, RV, truck, campers, ATV, UTV vehicles, battery banks, etc.4. Comes with cleaning brush, which can be used to clean the dirty and iron rust on the battery terminals.5. Manufactured according to the original production specifications, in line with strict quality standards.Specification:Item Type: Battery Terminal Material: Copper Postive Inner Diameter: Approx. 16mm/0.63inNegative Inner Diameter: Approx. 17mm/0.67inCopper Ring Terminal Size: Approx. 40mm/1.6inClean Brush Material: Stainless steel, Length: Approx. 80mm/3.15inFitment: Universal.Package List:2 x Copper Battery Terminal Connector 6 x Copper Rings6 x Washer1 x Cleaning BrushNote:Please allow 0.10.5mm difference due to manual measurement.