Milton (S-516) Straight Foot Chuck Tire Inflator Gauge - 15" Hose, Lock-On Threads ACCURATE: Performance-tested and calibrated. Measures in pounds per square inch (PSI, 10-60, 2-lb. increments). Kilopascal readings also available per special order (kPa, 80-840, increments of 20) DUAL HEAD CHUCK: Makes tire valves more accessible with the two heads for easier access LOCK-ON THREADS: One of the heads is parallel to the extension. Both heads have the feature to lock onto the threads, enabling the user to not have to hold the chuck while inflating. Easy one-hand inflation INFLATOR: Heavy-duty construction. Magnifying window lens. Full-swivel chuck. 15-inch hose REPLACEABLE PARTS: Gauge and valve cartridges can both be replaced 10-160 PSI 2-lb. increments *80-840 kPa 20 kPa increments Perfect for high pressure applications Full swivel brass chuck extension Lock on Threads - No need to hold chuck in place during inflation