Power Strut PS 1300 1 1/2" Pipe Clamp Rigid Thin Wall For Conduit NIB 276Z. Some of them are just another company or color but all are the same size. New old stock complete with nut and bolt. This Power Strut PS 1300 1 1/2" Pipe Clamp is a high-quality unit that is suitable for track mounting. It features a screw connection type and is made of zinc-plated steel, making it a durable option for your electrical equipment needs. The clamp is designed for rigid metal conduit (RMC) and has a maximum diameter of 1 1/2". This accessory is compatible with a range of conduit fittings and tubing, making it a versatile addition to your collection. The item is brand new and comes in its original packaging. Made in the United States, this Power Strut PS 1300 1 1/2" Pipe Clamp is a reliable option for securing your rigid conduit in place.