I use this everywhere, from the head on my Black and Decker grasshog trimmer to the door hinges on my wife's van. It makes everything with two dry bearing surfaces slippery as heck for smooth operation. The oil base keeps the moly in place for a long time.
I've used this product as a quick fifth wheel lube in my tractor trailer operation for several years now. It's quick and easy to touch up the plate surface between formal lube jobs and is particularly helpful in repetitive hook and drop operations. Since it's a spray, it can be applied anywhere on the fifth wheel plate from any location next to the chassis on either side. It's also a quick way to lube the trailer kingpin (which helps ameliorate wear on the fifth wheel locking mechanism).
One caveat that ought to be fairly obvious: Don't spray into the wind. The stuff stains clothing and those stains are just about impossible to get out. Other than that, this is an inexpensive product that does what it claims to and does it well.