This cast brass closet spud round openings allow quick, simple setup, even for beginners This urinal spud (also works as a toilet spud) fits 1x3/4inch round openings,It’s make of brass, metal, and rubber, urinal drain connection and everyday commercial use As a urinal tool for easy urinal drain connection, it’s built to handle heavy commercial use This urinal spud Set comes with a brass locknut, rubber washer, and metal washer Our urinal spud features a cast brass body.Built to stands up to daily commercial wear