1、Portable Design: Pencil pressure gauge is designed in a pocket clipping style for easy storage in toolbox, tool belt, workbench or even pocket. No battery required, perfect for on the go tire pressure checking. 2、High Accuracy Measurement: This pressure gauge stick provides a popup dual measurement unit, ranging from 1 to 7KG, 10 to 100lb. Features a stainless steel scale plate for accurate readings. Simply push the card on the tire valve mouth to release air and the scale bar will slide out. 3、Premium Structure: Compact and portable tire tester with premium metal construction. Made of sturdy stainless steel, rust proof and erosion resistant. Built in durable thick valve to withstand daily use for better testing results. No air leakage at the zinc alloy nozzle using this durable tool. 4、Wide Application: Air pressure gauge is suitable for checking the tire pressure of various vehicles such as cars, trucks, motorcycles, bikes, etc. Helps to ensure safety and efficient performance on the road. Improve fuel efficiency, tire lifespan, and overall driving experience. 5、20PCS Quantities: There are 20 pieces tire pressure gauge in the package that can be used individually, also an ideal gift choice for men and drivers on father's day.