For line-to-line, wall-to-wall, vertical, overhead, and around curve measuring on firm surfaces, both indoors and out. A favorite of realtors, appraisers, safety engineers, and traffic officers. Push button counter records in feet and inches up to 10,000 feet without resetting. Wide precision tire for solid traction on firm outdoor surfaces. Telescoping handle for easy storage and portability (unit collapsed measures 17¼" extending to 38½ " for operation). Wheel circumference 1 foot. Diameter 4". Weighs less than 2 lbs. Safety-glow green counter casings. Supplied in 4-color retail packaging. Three-year warranty.