Type 14‑S one‑hole clamps are a double ribbed snap type design and are zinc plated steel O‑Z/Gedney offers beam clamps, straps, clamps and clamp backs for rigid metal conduit or imc. Beam clamps provide support for conduit hanging systems. Two‑hole straps are used to support rigid metal conduit and IMC. Clamp backs provide spacing from mounting surfaces when they are used with pipe clamps.