For over 90 years, service professionals have looked to Lincoln for lubrication equipment designed to meet the demands of day-to-day shop life. In response to overwhelming requests, Lincoln proudly makes its equipment available to those outside the service industry with our Guardian line of lubrication products. Every Guardian product is engineered to meet the industry's most exacting standards for reliability and performance. Like all Lincoln products, the Guardian name is your assurance that what you're buying is no ordinary piece of equipment.