A Snap-on truck is a mobile store that sells high-quality repair and diagnostic tools and equipment. Snap-on is known for its professional tools, and the truck provides a convenient way for customers to purchase these tools. The truck is typically operated by a Snap-on dealer who visits different locations to sell tools to professionals and enthusiasts. The tools sold on the truck are often of high quality and come with a warranty. The prices of Snap-on tools are generally higher than those of other brands, which has been a point of discussion among tool enthusiasts.