Smaller 1-foot wheels combine Keson quality and reliability with convenient size and lightweight. Typically used in short run and indoor applications these products are compact and very reliable. It?s easy to measure curved, horizontal, and asymmetrical surfaces. These products are popular with realtors, appraisers, police offi cers and homeowners. You can measure alone, and you can measure faster than two people with a tape measure. Many of our customers keep one of these wheels as an emergency backup to their regular wheels.