RACO MIGHTY HOLD 3/8 in. Universal AC/MC One-Hole Cable Strap Standard Fitting, 4-Pack RACUS4461 - The Home Depot
Straps, Bushings and Supports - AC/MC/FMC Fittings
What kind of support is this? Is this allowable for MC cable? : r/electricians
Mighty-Hold® Dual Universal Steel One Hole Strap. Accomodates sizes 14/2 to 10/3 AC/MC/MCIA in Steel and Aluminum. FMC Steel and Aluminum in 3/8" trade side.