Panduit ML4-CY Mechanical Cable Lug one-hole copper, single barrel, is made from high strength electrolytic copper to provide premium electrical and mechanical performance for wide wire range-taking capability that helps minimize inventory requirements. The plated steel set screw provides a durable electrical contract between conductor and Lug. The internal pressure bar and V-bottom collar provide uniform clamping force to assure positive contact. - ML4-CY replaces ML4-C