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Image of 55171K Extension Ring For 4 In. Octagon Box, 2-1/8 In. Deep, 21 Cu. In., With Concentric, 1/2 & 3/4 In. Ko (50-Pack), 55171K

Extension Ring For 4 In. Octagon Box, 2-1/8 In. Deep, 21 Cu. In., With Concentric, 1/2 & 3/4 In. Ko (50-Pack), 55171K

OR

Brand: TradeSelect

Catalog ID: 55171K

Extension ring for 4 In. Octagon Box, 2-1/8 in. Deep, 21 Cu. In., with Concentric, 1/2 & 3/4 in. KO (50-Pack)

Combination screw heads provide for faster installation, Self-tapping screws virtually eliminate stripping