Walk-Winn supplies drain plugs for the boating industry and other uses. Our patented floating drain plugs are available in sizes ranging from ½” to 1”. Brass drain plugs are available in sizes ranging from 3/8” to 1”. Our #4040 1” floating drain plug is very popular for use as a boat drain plug. Other popular drain plugs for boats include the #4000 and #4010 brass drain plugs.