SEPCO 903G, 1-1/4″, Malleable Iron, IMC/Rigid Conduit Clamp Back Spacer, 1pc. SEPCO 904G, 1-1/2″, Malleable Iron, IMC/Rigid Conduit Clamp Back Spacer, 1pc. SEPCO 91Z, 3/4″, Die-Cast, Male/Hex Head, IMC/Rigid Conduit Nipple, 1pc.