Halex 1 in. x 3/4 in. Rigid Conduit Reducing Washer Box/Conduit/Fitting Accessory

1 in. x 3/4 in. Rigid or IMC Conduit Reducing Washer effectively reduce the size of the knockout in a steel outlet box or other metal enclosure. Each knockout requires 2 of these galvanized washers. Trade sizes are clearly marked on each washer.|Reduce the size of the knockout in a steel outlet box or other metal enclosure|Use 1 washer inside the enclosure opening and 1 outside|Galvanized steel|UL listed|Raised flanges allow for positive seating in the knockout