Sigma Electric ProConnex 44675 NM/SE Clamp Type Connector 1-1/2-Inch, 1-Pack Terminates Oval SE Cable to a 1-1/2-in knockout For 1.065-in x 0.635-in - 1.250-in x 0.740-in Oval SE Cable Tri-combo screws included Zinc die-cast construction Product is UL and CSA listed Sigma Electric