Double head metal pressure measuring valve. Proper tire inflation is one of the hallmarks of automobile safety. Check the pressure on your car, bicycle or other vehicle tire any time with the help of this handy device. This 12.2″ pen-shaped metal gauge has a round. The interior sliding plastic meter registers between 10-150 PSI for an accurate reading on all sorts of tires. Add your organizational or company logo to the barrel of this device to create a branded item for car shows, auto dealerships, and repair shops.QTY over 5000pcs by ocean.