Sentry hi-slip Grease lubricates, waterproofs, and prevents rust even in saltwater. All the benefits of oil but stays put – will not migrate and protects surfaces in temperatures from -54ºc/-65ºF to 343ºc/650ºF. Synthetic blend exceeds mil-specs for Moly grease. Lubricates and prevents galling on all types of metal including stainless steel, blued metal, titanium and aluminum. Prevents corrosion from salt water, powder residue, and sweat. Concentrated and extremely long Lasting - a little goes a very long way.