This 4 oz. bottle of Sentry's Original Tuf-Glide features a pump sprayer for easy lubricant application. Sentry Solutions solve equipment malfunctions caused by the use of oil and traditional lubricants. When faced with dust and dirt, oil attracts it! When exposed to freezing temperatures, oils and PTFE based products can thicken and gum up. Sentry Solutions' dry bonded lubricants and protectants do not attract dirt and enhance reliability under the harshest and most extreme conditions, from temperatures of -65degF to +650degF. Sentry Solutions products proved their superior performance through exhaustive testing and field use by military special operations and law enforcement agencies. The quick drying partner for TUF-CLOTH. It is a powerful dry-film lubricant and rust inhibitor for bonded protection that will not wash or wipe off. Use TUF-GLIDE to lubricate and protect all your equipment and gear.