It lasts longer and keeps my kingpin from slopping. Every time I stop at a light.
My 5th wheel don’t have an adjustment.
I don’t have to lube it as much as the grease. Or as often. Or have to use tools to slob grease on.
Tip bottle upside down and squeeze.
Grease just mushes out the sides. Makes a mess and what’s left dries out in a week.
Lube bottle don’t do that. And will last a couple of weeks. One bottle lasts me 2 months.