This product is a u tube manometer, made of solid materials, safe and sturdy. It can last for a long time without being easily damaged. The product is an excellent u tube manometer that can bring you more convenience, allowing you to have a more comfortable experience. Size:38.50X7.00X1.20cm/15.13X2.75X0.47inch Measurement range: 03000pa This vacuum tube tester can be used for a variety of different. The stainless steel construction of this tool makes it to both rust and high temperatures. With a measurement range of 03000pa, this u tube manometer provides precise readings This Pressure Gauge is userfriendly and suitable for individuals with all levels of experience The compact and design of this Vacuum Pressure Gauge makes it easy to port and use in different locations Color:As Shown Material: stainless steel Package Contents: 1 * Pressure Gauge Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.