MW40 Durable traditional counter measuring wheel. Gear driven counter with tough plastic housing. Five digit counter with manual reset button. Heavy duty metal folding handle and rubber grip with folding wheel mount. Diecast aluminium with wear resistant rubber tread. Folding kick stand. Working range: 0 - 9999.99 metres. Wheel diameter: 318mm (121/2&34;). Working accuracy: &148;/- 1% typically. Unit of measurement: metres and decimetres.