This 1 oz. bottle of excellent LP is a great gun lubricant and preservative for various firearms. It is non-toxic and biodegradable and has a very faint odor. It is also excellent and safe for airgun cleaning and lubrication. It has a four-times higher lubricity than petroleum-based lubricants, and it also deters water. It is made from renewable USA-grown crops-based vegetable oils, which helps reduce foreign oil dependence. This product also instantly penetrates and lasts longer, so it can be applied less often. Moreover, it reduces heat and friction better than petroleum-based products. It has a higher flashpoint than petroleum, so it is safer to use. Whether it is on your revolver crane, ratchet, and internal parts. This is the industry standard for lubricating your revolver parts.