Bridgeport 900-F 3/8 IN, 12/4,10/2,10/3 Strap, Box of 100
https://nsiindustries.com/product/one-hole-ac-mc-strap-3-8-12-4-10-3-zinc-plated-steel/
Bridgeport One Hole AC/MC Straps are used for securing AC/MC cable or flexible metal conduit to a variety of mounting surfaces. Made from zinc plated steel, these straps are dependable and resistant to corrosion.