Power Strut PS 1300 2" Pipe Clamp Rigid Thin Wall For Conduit NIB 277A. 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 2" Pipe Clamp is a sturdy and durable unit that is perfect for securing rigid metal conduit in industrial or commercial spaces. The clamp is track-mounted and features a screw connection type for easy installation. It is made of high-quality steel and is designed to be rigid, ensuring that the conduit remains in place and secure. The unit is brand new and in its original packaging. It is multicolored and has a unit type of "unit". The item diameter is 2" and it is suitable for use with rigid metal conduit (RMC). This accessory type is a conduit clamp and it was manufactured in the United States.