Top post replacement battery terminals feature solid Brass construction for maximum corrosion resistance. Plated Brass Terminals give a longer life to your battery cable. Terminals should be soldered. Each terminal comes with a nut and bolt giving tight connections to battery post for solid electrical contact. Before installing select the correct polarity and AWG gauge terminal for your battery cable. Recommend pre-measured Solder Pellet PICO #0624 when soldering. For additional weatherproofing Heat Shrink Tube can be added during installtion. Heat Shrink Tube also protects from corrision, can color code for polarity and acts as a strain relief on the connection. The box has 5 positive and 5 negative terminals.