Cable Clamp Battery Clip Car Battery Positive Negative Pure Copper Terminal Wire Feature: The main body material of this product is pure copper + iron screws/washers, and the service life is longer than that of ordinary alloy materials. Copper material has superior conductivity, reducing voltage and current transmission loss The connection between the new pile head and the battery does not undergo secondary conduction, and the current output is higher Pure copper pile head +10mm stainless steel screw, longer service life, fast and firm installation Specification: Item type: battery terminal clamp Material: pure copper Scope of application: general (please confirm the size before buying) Packing list: 1 x positive battery clip 1 x negative battery clip 2 x bolts