Komelon 31 Series dia feet/inch measuring wheel has a composite thread for enhanced traction on smooth indoor surfaces and is used for outside use. Wheel has a gear driven counter with a push button reset and the handle offers pistol grip. Measuring wheel. 10"(Dia. ) wheels. Measures in feet/inches. Its 5 digit counter measures up to 10,000 units. Equipped with a telescopic aluminum handle. Gear driven counter with push button reset and spring loaded kickstand. Folding handle with comfortable pistol grip. Durable enough for outdoor use and has a composite tread that provides improved traction on smooth indoor surface. Wheels are great for athletic and rec. departments, concrete and asphalt contactors, estimators, grounds maintenance crews, and surveyors. Komelon 31 Series dia feet/inch measuring wheel with a kickstand has a 5 digit counter that measures up to 10000 units and features a telescopic aluminum handle.