Unistrut P1001 Channel
Unistrut's P1001, often known as 12 Gauge Standard or Deep Back-to-Back Strut Channel, is commonly used for trapeze supports, seismic bracing, ceiling grids, pipe, conduit, duct and cable tray supports, racks, and other general framing.
Product dimensions are 1 5/8" wide x 3 1/4" tall x 12 ga. thick, back to back. Punched holes are also available for ease of installation.