Penetrates & lubricates. Won't attract dirt. Anti-corrosion. Since 1894. Key hole. Latch hole. 3-in-One Lock Dry Lube provides precise application for excellent lubrication and corrosion protection in the tight spaces of most locks. Its long-lasting, non-tacky formulation is ideal for use on auto & marine locks, padlocks, and much more. Safe to use on metal, wood and most plastics (except clear polycarbonate and polystyrene). Safety Hotline 1-888-324-7596. www.3InOne.com. Made in the USA.