Reducing Washers 1/2″ to 4″ Made in the USA
Steel Construction, Galvanized (RW Series)

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Galvanized Steel reducing washers are used to reduce the knockout size in an outlet box or enclosure so you can attach a different size of  Rigid or IMC  steel conduit to it. Two reducing washers are required for each knockout.

RW Series Industrial Grade Steel Reducing Washers 1/2″ to 4″

Cat Numbers & Dimensions