Halex 1-1/4 in. x 1 in. Rigid Conduit Reducing Washer (2-Pack)
$1.22$122
Use 1-1/4 in. x 1 in. Rigid or IMC Conduit Reducing Washers (2-Pack) to reduce a knockout on a steel outlet box or similar enclosure. A pair of these zinc-plated washers is needed per knockout. Corrosion resistant.
Reduces size of knockout in steel boxes or metal enclosure