Pure Copper Battery Connection Clip - Durable Material: Car battery charger clamps is made of high quality copper material, high strength, durable and have a service time. The new pure copper battery connection clip pile head and the battery direct connection, the current output is higher without resistance. Pure copper material for maximum power transmission efficiency. Pure Copper Battery Terminal - Excellent Performance: Battery terminal wire clamp has superior conductivity, reducing voltage and current transmission loss. Advanced battery terminal connectors can effectively protect the battery terminal from rust and prolong the battery life. Perfect for power connection, the storage battery and more, stable performance and high reliability. Car Battery Terminal Connectors Kit - Easy to Install: Flexible to tighten without loosening the bolt. Pure copper battery terminal wiring kit for car easy and fast to install, direct fit without any modification, the installation can be completed in a short time. The novice should consult a professional for installation. Battery Terminal Connector Clamps - Wide Range of Uses: Car battery cable terminal clamp suitable for all kinds of batteries on motorcycles, automobiles, ships, boats. Pure copper battery terminals bring you more convenience. Negative and Positive Car Battery Cable Terminal - Package: 1/2/3/5 Pair (per pack) Battery connection clip-(Pure copper, solidity, durable, sure.)and 1/2/3/5 Pair (per pack) Screw（Tighten the wire to make the connection more secure）