Lufkin Folding Measuring Wheel has an accurate measurements up to 9999.9m. The wheel is calibrated to counter and is accurate for estimated measurements. Wheel brake and reset is located on the handle for convenient multiple measurements. Whilst the 160mm wheel diameter guarantees accurate measurements both indoors and out. Includes carry bag. Specification Size Extend 1040mm, Folded 430mm. Weight 1.1kg.