Pacer Tinned Lug 4/0 AWG - 1/2" Stud Size - 10 Pack [TAE4/0-12R-10]Tinned Lug 4 0 AWG 1 2" Stud Size 10 Pack Lugs are connection points that are created by crimping the connector onto a wire or cable. This connection, commonly referred to as a cold weld, creates a solid, long lasting connection. Pacer lugs are made from 100% pure copper for high conductivity. This copper is fully annealed to prevent cracking while being crimped and while in service. These terminals are also tin plated to prevent corrosion and many of