1/2" pipe clamp. Universal pipe clamp. For attaching rigid or IMC conduit, pipe, and EMT to Superstrut channel. Fits both 1-5/8" and 1-1/2" channel. Goldgalv electro-plated zinc finish. Poly bag of 1 each. 1/2" for pipe O.D., .706-840, 16-gauge, load 400 lb.