Halex 11003B 90 DEG Connector, 3/8 IN, Connection: Threaded X Screw, Conductor Range: 14/2 AWG Aluminum/Steel AC Cable, 0.45 - 0.55 Flex Cord, 0.465 - 558 AWG Steel MC, 0.455 - 0.54 IN Aluminum MC, Die-Cast Zinc, Minimum Opening: 0.4 IN, Maximum Opening: 0.63 IN, 1.81 IN Length, Knockout Size: 1/2 IN, For Connecting Flexible Metallic Conduit/Aluminum Cable/Steel AC/MC Cable To A Steel Outlet Box/Other Metal Enclosure In A Dry Location, UL Listed, CSA Certified