This kit includes 12 varieties of battery copper lugs. Made with seamless tubes of 99.9% copper for higher conductivity, these pieces exceed SAE conductivity standards J163 and J1811. Rated for 600 volts, these battery copper lugs are designed for standard copper wires with a larger pad area for better contact. Design allows for easy use with a highly controlled flare and the ability to be crimped or soldered. A tight barrel-to-pad transition also provides longer usable barrel length. See images for full kit layout.