Lanox MX4 Grease Tub 500gLanox MX4 in a 500 g grease tub the semi solid, high adhesion form of the MX4 lanolin formula for applications that need a grease to stay exactly where you put it. Unlike aerosol or liquid lanolin that can run off vertical surfaces, the grease consistency stays in place on trailer couplings, hitch balls, hinges, suspension joints and any high load contact point that needs long term protection with no re application between seasons.