Formlated for general purpose applications, the Quicksilver® 2.4.C Marine Lubricant Grease Gun Refill helps you continue to protect your investment. Unlike automotive lubricants and gear lubes, all Quicksilver Lubricants and gear lubes are specifically formulated for the unique needs of marine engines. They are also rigorously tested to meet Mercury's high standards. The Quicksilver 2.4.C Marine Lubricant Grease Gun Refill withstands extreme friction and provides added wear resistance. Formulated for marine engines. Rigorously tested. Multipurpose lubricant.