Parallel Type Conduit Clamp 1-1/2″, Malleable Iron
https://dev.nsiindustries.com/product/parallel-type-conduit-clamp-1-1-2-malleable-iron/
Bridgeport Parallel Type Conduit Clamps are used for running rigid, intermediate metal conduit (IMC) and electrical metallic tubing (EMT) parallel to beams, angles, trusses and other structural members.