Johnson Level & Tool Johnson 1877-0100 Measuring Wheel 1-Foot Circ. (4" Dia.) Structo-Cast 5 digit, easy-read magnified counter accurately measures up to 9, 999 feet, 11 Inch 3 piece telescoping aluminum handle extends from 17 Inch to 42 Inch - fits into a tool box or briefcase Durable, rubber tire - 4 inch diameter Rigid aluminum frame 1 Year Warranty: Johnson Level warrants this product against defects in material and workmanship for one year after the confirmed purchase date. At its option, the company will replace or repair the product if it fails under normal use.