Measures in feet - Used to accurately measure several cross country running courses 30 years ago.
Can be used on construction, landscaping, and surveying projects; or anywhere an outdoor accurate reading in feet is needed. Counter limit: 100,000 feet.
1) Place one of the wheel rim pegs in front of the lever arm on the counter.
2) Turn knob to reset counter to zero.
3) Place wheel axle directly over the starting line.
4) Roll unit until wheel axle is directly over the finish line and read the distance on the counter.