Johnson Level 1877-0200 Long Run Measuring Wheel, 3'Cam locks used to adjust handle to your preferred height. Durable rubber tire 11 1 2" diameter. 3 piece square telescoping aluminum handle with pistol grip and safety reflector. Extends from 21" to 41". 3' Convenient folding stand Durable rubber tire 11 1 2" diameter Measure wheel feet and inches with telescoping handle Handle telescopes from 17" to 38" 5 digit easy read magnified counter measures 9,999 ft 11" without resetting 3 piece square