Brass Bar Model Number: 6x9, 8x12 Place of Origin: China Brass neutral links, neutral bars, switchgear link terminal earthing blocks and accessories are for electrical panel boards and control panels. terminal board Material: PA, Polyamide 66, 94V-2 grade. inflaming retarding, good resist dissolve, good bounce impact force, Working Temperature: - 30 to 110 Brass, screw is Iron plated zinc.Sp035 is aluminum Product Voltage: 250 - 450V Color: according to photo