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4 in. x 2 in. Handy Extension Ring, Drawn, 1-7/8 in. Deep
RACO® 665 Extension Ring Handy Box, Steel, 13 cu-in, 1 Gang, …
Raco 0665 4" x 2" Handy Box Extension, 1-7/8" Deep, 1/2" End …
Raco 665 4 In. X 2 In. Handy Extension Ring, Drawn, 1-7/8 In. Deep …
Hubbell-Raco 665 :: Handy Box Extension Ring, 1-7/8" Deep, 1/2" KOs …
Raco 665 4" x 2" Steel Handy Box Extension, 1-7/8" Deep, 1/2" …
RACO 665 Handy Box Extension Ring, Drawn with Conduit KO's, 4" x 1-7/8 ...
Raco 665 4" x 2" Steel Handy Box Extension, 1-7/8" Deep, 1/2" …
Hubbell-Raco 665 1-7/8-Inch Deep, 1/2-Inch End Knockouts 4 …
Raco 665 Extension Box - Electrical Boxes - Amazon.com