... Malleable iron clipping plate, carbon steel U-bolt Zinc-plated Size: 1/2" ~4" Right angle clampDesigned to fit pipe/rigid conduit as ... conduit, right angle clamps firmly fix pipe to the flange of a structural member without drilling holes.Material: Clipping plate in ASTM A197 ... sizes 1/2", 3/4", 1", 1-1/4", 1-1/2", 2", 2-1/2", 3" 3-1/2", 4". Right angle clamp