• Replace worn out drain plug gaskets to stop annoying leaks. • (5) 9/16” Fiber. • (5) 14mm Rubber Rib. • (5) 12mm Rubber Rib. • (5) 14.5mm Aluminum. • (5) ½” Copper Crush. • (5) 3/4” Copper. • (5) 5/8”/16mm Copper.