REDINGTON 1' CIRCUMFERENCE DOUBLE MEASURING WHEEL Light, solid, remarkably easy to operate and designed for quick, accurate measurements indoors and outdoors on firm surfaces. Two matched wheels, rimmed with tough Neoprene tires, provide double traction and improve stability of operation. Easy to keep on a straight line during measuring run. Completely sealed counter housing provides long, trouble-free operation. Twin wheels are precision calibrated to assure accurate performance over long usage. Counter automatically records in feet and inches up to 1, 000 feet without resetting. Wheel circumference 1'