1. Battery cable end kit size: 8 AWG heavy duty lugs and 3/8 screw size rings, also includes heat shrink tubing for each lug 2. Made from pure copper, heavy duty and enhanced high temperature durability, annealed electrolytic grade copper for maximum conductivity 3. Environmentally friendly heat shrinkage: heat shrinkable tubes are black and red, can be used in industrial environmentally friendly materials, and have a wide working temperature range 4. Excellent craft: heat-shrunk wire lugs can be soldered or crimped and fit over solid or stranded instrument wire, heat-shrunk provides a tight and complete seal, preventing any solder leakage 5. Copper battery lugs are ideal for boats, cars, golf carts and other solar panel electrical applications 6. 3 to 1 shrink ratio and internal heat-activated glue, waterproof and anti-corrosion
