Halex 3/4 in. x 1/2 in. Rigid Conduit Reducing Washer

These 3/4 in. x 1/2 in. Conduit Reducing Washers reduce the size of knockouts in metal enclosures such as steel outlet boxes. They feature raised flanges which enable positive seating in the knockouts. Requires 2 washers per knockout.|Reduces the size of the knockout in a steel outlet box or other metal enclosure|Galvanized steel resists corrosion|Raised flanges allow for positive seating in the knockout|Trade sizes marked on each washer|UL Listed|Usable indoors or outdoors