Sizes:P.4 From 1.25mm2 (22 -16AWG)to 325mm2 (500-600MCM) with different stud sizes. Material:High conductivityCopper equivalent toJIS H3100C1020 or C1100Electrical conductivity : 98% up. Features:Chamfered for easy cable entry. Finish:Uniform Electro - Tin Plating.