Arlington Pipe Hanger, 3 in Conduit, For Use With: 1-1/4 in Rigid, 1-1/4 to 1-1/2 in EMT Conduit and Flex/AC/MC Cable, Specifications: 2-1/2 in Trade Size, Silver Color, Steel, Plated, 3.265 in L x 0.875 in W x 1.206 in H Dimensions,