Name: Copper battery pile headColor: YELLOWMaterial: brassQuantity: 1 pair (2)Product weight: 160g (single weight)Product Specifications: Positive Diameter: 19mm, Negative Diameter: 17mmSuitable For Positive Diameter 17-19mm Negative Diameter 15-17mmDescription1. Thicken thick brass, high strength2. Fine craftsmanship, continuous head, secure wiring3. The product is made of brass die-casting, which has longer life than normal copper plating products, and its function and performance are even better.4. Pure copper has the best conductivity to reduce voltage distortion and reduce current transmission loss5. With corrosion resistance, good electrical conductivity, convenient wiringPackaging includes:2x pure copper battery pile headOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.