The 3/4″ Plastic Drain Plug w/ Square Head is used to replace a worn out, damaged, or missing drain plug on a front/rear load container. The plastic plug is placed in the drain hole. The plug provides a seal to make sure no liquids are to drain out of the container and can be removed to empty out any unwanted liquids, such as rain that may fill up in the container. These drain plugs are sold in packs of 5.