Product DescriptionMaterial: Zinc Alloy Color: Silver Product Weight: 13.5 oz 0/4/8/10 AWG Meter Input: There are four different sizes of wiring sockets ) positive or (-) negative for easy identification of polarities Quantity: 2 pcs Package Contents: 2 Car Battery Headers 1. What You Get The battery terminal connector set contains 1 pair of battery post connector clips, 2 pieces of clear plastic cover, 2 pcs adjustable spacers and 4 pcs lugs. A complete tool set can meet your needs and save you money and energy in purchasing additional tools. 2. High-quality battery terminals are made of zinc alloy material, which has excellent signal transmission, high conductivity and corrosion resistance. Positive and negative terminal connectors are clearly marked for easy identification. 3. Easy to install There are four different sizes of wiring sockets: 0/4/8/10 AWG meter input. The clips are designed to securely attach multiple cables in place. Easy to modify wiring, quick and easy installation. 4. High-value fittings provide 2 adjustable spacers, when the tapered post is not big enough, the connection is more flexible. The transparent cover is waterproof and dustproof and prolongs battery life. The lugs are made of annealed electrolytic grade copper for maximum conductivity.