The CB175-38-L Copper Mechanical Lug is made from high strength electrolytic copper to provide premium electrical and mechanical performance, Wide wire range-taking capability minimizes inventory, Internal pressure bar and V-bottom collar provide uniform clamping force on conductor to assure positive contact between conductor and connector, plated steel set screw provides high strength and durable electrical contact between conductor and connector, cULus Listed for use up to 600 Volts.