The Hexagonal Head Plug is designed with a six-sided head that can be tightened or loosened using a wrench or socket. The Hexagonal shape provides a secure grip and allows for fixing and removal. The Hexagonal Head Plug is typically used to seal the drain hole at the bottom of the Oil Pan.Attributes:• Create a tight seal that prevents oil from leaking out of the Oil Pan• withstand the high temperatures and pressures associated with engine operation Applications:The Hexagonal Head Plug is used to provide a reliable seal that helps to keep the engine lubricated and running smoothly.