Unistrut's P1001T, 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. For application examples, refer to our Application Showcase. Product dimensions are 1 5/8" wide x 3 1/4" tall x 12 ga. thick. Slots are sized for a 1/2" threaded rod or fastener. Our P1001T is available in Pre-Galvanized (PG), Unistrut Defender (DF), Hot-Dip Galvanized (HG), Plain (PL), Green (GR), Zinc Dichromate (ZD) and Stainless Steel (SS or ST).