90deg; Flex Duplex Box Connectors Clamp Type 3/8" - Zinc Die Cast - 90deg; Flex Duplex Box Connectors are Used To Connect two pieces of Flexible Metallic Conduit, AC, MC, or NM sheathed cable to a steel box or other metal enclosure when using only one knockout opening90deg; Flex Conduit Duplex Box Connectors - Zinc Die Cast 3/8" features include: Use to connect two pieces of Flexible Metallic Conduit, AC, MC, or NM sheathed cable to a steel outlet box or other metal enclosure when using only one knockout opening in a dry location: - 14/2 Thru 12/3 NM - 14/2 Thru 10/4 AC - 14/2 Thru 10/3 MC - 3/8" FMC 3/8” size fits 1/2” knockout 2 Screw design Combo Head Screws Zinc Die Cast cULus Listed Order Qty of 1 = 1 Pieces Below is more info on our 90deg; Flex Conduit Duplex Box Connectors - Zinc Die Cast 3/8"