Milton (S-914) Single Chuck Head Bicycle Tire Gauge Flat Bar MILTON: Pencil Gauges made with machined parts, unlike our competition! INCLUDES: Built-in deflator valve and single chuck head. PRESSURE RANGE: Measures PSI (20-120) in 2-lb. increments. IDEAL: For Truck, RV, and Bicycle tires. Handy in cold temperature weather conditions. CAR SAFETY/MAINTENANCE: Ideal automotive and road trip accessory tool to maintain optimal tire care and prevention.