| RACO 250 Extension Ring, Ring Accessory, 2 Gangs, Galvanized steel, Square Box Extension Ring, Box Type Square, Number of Gangs 2, Bracket Type -, Capacity 29.5 cu in, Material Galvanized Steel, Number of 1/2 In. Back Knockouts 0, Number of 1/2 In. Side Knockouts 8, Clamp Type -, Number of 3/4 In. Side Knockouts 4, Nominal Depth... ... more RACO 250 Extension Ring, Ring Accessory, 2 Gangs, Galvanized steel, Square Box Extension Ring, Box Type Square, Number of Gangs 2, Bracket Type -, Capacity 29.5 cu in, Material Galvanized Steel, Number of 1/2 In. Back Knockouts 0, Number of 1/2 In. Side Knockouts 8, Clamp Type -, Number of 3/4 In. Side Knockouts 4, Nominal Depth... | | $8.25 go to store |