3', Metal Wheel Professional Measuring Wheel, Centerline Design Allows For Great Balance, Rugged 3/4" Steel Tubing Frame With Safety Reflector Allows Wheels To Be Used Over The Most Difficult Terrain & Can Stand Up To Constant Heavy Use, Large 3/4" Numbers For Easy Reading Counts Up To 99,999', Compact Fold Down Handle Easily Reduced Wheel To 1/2 It's Size For Storage & Portability, Barrel Clamp & Handle Clasp Make Storage A Snap.