Classic and practical, Press the gauge nozzle into your tire valve for a precise measurement.This mini tire gauge and keychain measure pressure up to 50 PSI. Available in several metallic colors to choose from, add an imprint of your company name or logo for maximum brand exposure.The four-sided scale will show you the accurate pressure number and remind you of repair maintenance. 100% guarantee for quality. Please order today! QTY over 10000pcs by ocean.