The DiversiTech 17438 is a regular spring channel nut with 3/8 in. - 16 thread and is 3/8 in. thick. It can be used with 1-3/8 in. or 1-5/8 in. strut channel. Channel nuts are used to attach threaded rod to strut channel. Spring channel nuts hold the nut in place during assembly making installation faster, easier and safer. DiversiTech's strut accessory product line contains a broad range of nuts, clamps, hangers and more for a multitude of customized metal framing and hanging applications.