Features: 70pcs of copper battery terminals connectors of 10 size, 10 typex20pcs 20A typex20pcs 30A typex10pcs 40A typex10pcs 50A typex10pcs. The battery connectors produced of copper, which provide a degree of conductivity for the maximums current and great electrical conductivity. Improves electrical conductivity, wear resistance, smoothness, corrosion resistance, and curled/welded. This copper wire lugs instrument mark, which is easy to identify. Each bare copper lugs is engraves with its wire gauges logoes to ensure that you can quickly find the item you think of without worrying about size mixed together. Suitable for cable, electrical box, boats, golf cart, home, panel, and other applications. Specifications: Material: copper Package Includes: 70XBattery Cable End note: Please allow 1 to 3cm error due to manual measurement, please make sure you not mind before your bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.