Features: 1. The tire pressure gauge pencil is lightweight and portable, easy to use and store. The pocket clip design makes it easy to carry with you while on the job. 2. The 30° forward air chuck is designed for inner wheels or difficult-reached valves. The 30°reverse chuck is for outer wheels. The long steel stem allows you to reach the inner wheels without dirtying your hands. 3. The air pressure gauge can easily and quickly check the tire pressure by putting the tire gauge chuck to the valve. Then the scale plate will slip out and you can read the tire pressure. 4. The tire gauges for tire pressure are practical and convenient tools for trucks, buses, cars, SUVs, RVs, ATVs, bikes (with Schrader valve), or motorcycles. 5. The tire pressure gauge is made of high-strength steel for long-lasting performance. It is sturdy, rust-resistance, and durable. Specification: Product name: Car tire pressure pen detector Product color: silver Product size: about 14*2*0.8cm/5.51*0.79*0.31in Product material: steel Pressure display range: 300psi Product weight: about 18g Applicable models: Universal Product use: car mini tire pressure pen Product features: no battery, ready-to-use, compact and portable Product List: 1*Car tire pressure test pen Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color which is showed in the pictures. 2. Please forgive a slight measuring deviation due to manual measurement.