The Leatherman Difference Leatherman is known for producing the world’s most precisely engineered multi-tools. Tim Leatherman’s manufacturing standards remain unmatched in the industry today. With our newest line of products, the Leatherman tradition of innovation, tight specifications and strength continues to endure. The Leatherman Warranty Leatherman Tool Group, Inc. proudly stands behind our products. If you ever have a problem with a genuine Leatherman tool, you can count on us to make it right with fast warranty service for a full 25 years from the purchase date.