Lightweight materials and quality construction makes this measuring wheel the perfect choice for crime scenes. The measuring wheel gives accurate measurements on any smooth, hard surface from counter tops to sidewalks. SPECS: Measures to 9,999 Feet Collapses with 3-section telescoping arm Units: Feet and Inches Wheel diameter: 4” Folded Length: 18” Extended Length: 36.5” Weight: 2 lbs