CST/berger MeasureMark 31-30M 10-Inch Aluminum Wheel Measuring Wheel in Meters/Decimeters Gear driven counter made from wear resistant Delrin in a weather resistant housing 10" Aluminum Wheel with Kick Stand 5-Digit Counter with Push Button Reset Measures in Meters and Decimeters Snap-Lock Handle provides durability in the field and collapses for easy storage