Heavy Duty Lug 8GA Wire #10 Post 100-Pack. Ancor Marine Grade lugs are manufactured from 100 percent heavy-duty annealed tinned copper, providing maximum current flow while resisting corrosion from salt and moisture. The seamless barrel design allows for maximum strength when crimped. Closed-end design seals out moisture so cables stay dry and corrosion free.Specifications: 100% Tinned Copper. UL 486A.