17-519 Tire ga, 20 to 120 psi

No 17-509 standard tire gauge. 10 to 50 lb use for passenger cars, light trucks and vans. Calibrated two sides 10 to 50 psi in one pound unit and 70-350 kPa in 10 kPa units. No 17-519 truck tire gauge. 20 to 120 lb for all higher pressure applications on lightweight trucks (1/2 to 2-1/2 tons), step vans, pickups and air shocks. Calibrated two sides 20 to 120 psi in two pound units and two sides 140 to 820 kPa in 20 kPa units.