Whether you're measuring backyards for fencing or unpaved roads for a future highway, the Keson 3-foot Road Runner is a perennial best seller thanks to its reliability and versatility. Precision molded out of impact-resistant ABS, the RRT12M is proudly built in the U.S.A. and is designed for years of use. Its pistol-like rubberized grip allows for a sure hold and effortless steering when measuring, which in combination with the telescoping handle for adjustable height eases user fatigue and improves accuracy. The RR318N is even ideal for use on curved surfaces or uneven ground. The magnifying lens above the five-digit counter increases their size for easier reading and measuring. Two Reset buttons. One on the handle and one on the unit housing Failsafe collapsing hinge which snaps into extended lock with the flick of the wrist Centerline handle design with counter on top of wheel for perfect balance 5digit, easyread, magnified counter measures 9,999 meters