The distance measuring wheel, also known as an odometer, is used to measure distance along a surface. 320 mm diameter wheel, with rubber cover that adapts to most surfaces. Level indicator arrow. Four-digit display for the control of the meters (0 to 9999), and one digit for the control of the decimeters (0 to 9). Odometer that measures distance in meters to one decimal place. Counter reset lever (counter reset). Easel to keep the meter upright. Folding bar, length 81 cm. Ergonomic black rubber handle. Light and resistant aluminum bar.