Small body and high precision, a good helper in your life. It makes it easier to adjust the level of the items you frequently use, and the angle is more accurate. It can adjust the level of wood measuring tools, adjust the level of factory machinery and equipment, adjust the level of special instruments, adjust the level of the desktop and other places where high measurement accuracy is required. /p> Using a new material, imported oil, the bubbles can be collected in 1 second after impact, placed at minus 20 , 65 , after 12 hours, then return to normal temperature, the bubble size is restored. This product uses sophisticated mirror-like acrylic material with crystal clear transparency and light transmittance of more than 92%.