Since 1946, when Fred Melsheimer introduced the first commercial horizontal drilling system to the public, HDD contractors have trusted Melfred Borzall tools for versatile selection, dependable quality and outstanding value. After more than half a century of ongoing development and innovation, Melfred Borzall's Directional Depot HDD tools continue to lead the industry with quality construction, productive designs and value pricing. To this day our engineers keep pushing and expanding all the boundaries of HDD tool development for the highest standards of quality and performance.