( MOR-89550 ) - Tire Pressure Gauge, dial type, 0-15 psi - Used by more racers than all other brands combined! Individually calibrated for accuracy within 2% The large 2-5/8" dia. dial face is easy to read, while the hardened swivel chuck rotates 360? for positive valve stem attachment 9 12/4" hose with a finger operated air-bleed valve allows you to release pressure quickly