Topaz’s Duplex Connector for BX-FLEX, NM and MC cables feature a two screw clamp assembly with a UL listed locknut. Our clamp type connector is for use to connect flexible metal conduit or armored cable to box or enclosure. Fits aluminum smooth extruded MC, range .210 to .500; for use in interior, dry locations. Fabricated from corrosion resistant and dependable zinc die cast; 3/8” size with 1/2” knockout; NPT male hub for a fluid tight seal. UL listed.