This cast brass closet spud round openings allow, simple setup, even for beginners This urinal spud Set comes with a brass locknut, rubber washer, and metal washer As a urinal tool for easy urinal drain connection, it ’ s built to handle heavy commercial use 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 Our urinal spud features a cast brass body.Built to stands up to daily commercial wear