EngineerSupply is now a full-line factory-authorized Keson Dealer. Keson Industries is family owned and operated and is fully dedicated to developing and manufacturing high-quality measuring and marking devices. Keson manufacturers high-quality commercial-grade distance measuring wheels that work great for measuring large distances quickly. The Keson Company manufacturers multiple size measuring wheels that will work with almost any condition of terrain and distance. The Keson line of Measuring Products can be found here.