ERetailMart SAF-45 Slope Inclinometer Angle Finder Slope Protractor Tilt Level Meter Clinometer Gauge With Magnetic Base Measuring Gauging Tools Magnetic Engineer's Precision Level  (9 cm)

This is a simple teaching angle meter. The pointer may be slightly separated from the fixed iron core during transportation, resulting in inaccurate pointer. Just open the cover and gently press the pointer down to touch it ( pay special attention not to press the middle of the pointer, which may hurt the finger by the iron core in the middle ).Features: 1. This product uses a sophisticated mirror-like acrylic material with crystal-like transparency and a light transmittance of over 92%. 2. Using new material, imported oil, the bubbles can be gathered in 1 second after impact, placed at minus 20?, 65?, after 12 hours, then return to normal temperature, the bubble size is restored. 3. It can adjust the level of woodworking measuring tools, adjust the level of factory machinery and equipment, adjust the level of special instruments, adjust the level of office desktop and other places where high measurement accuracy is required. 4. It makes it easier to adjust the level of items you use frequently, and the angle is more accurate. 5. Small body and high accuracy, a good helper in your life.