Over a dozen years of continuous improvement— Like the new  wheel design and safety reflector!
Extremely popular—Tens of thousands sold every year.
5-digit, easy-read, magnified counter measures 9,999 feet,  11 inches (or 9/10ths of a foot with engineers’ models, or meters and decimeters) without resetting. That’s almost two miles.
Heavy-duty, ABS wheel with improved, clean three-spoke design. 
Curved, telescoping handle adjusts to comfort level.
 

Diameter:  12 1/2"

Circular: 3'