E-Z Lock® “U” Shaped Strap Duplex AC/MC Connector 3/8″, Zinc
https://dev.nsiindustries.com/product/e-z-lock-u-shaped-strap-duplex-ac-mc-connector-3-8-zinc/
Use Bridgeport “U” shaped strap connectors to connect AC/MC cable or FMC to an electrical box or enclosure. The duplex design allows for two lengths of cable to be connected to a single knockout and the snap-in front requires no tools to install.