["300mm/200mm 7\"/11\" Digital Angle Ruler Transparent Inclinometer Goniometer Protractor Angle Finder Measuring Tool\n\nFeatures:\n- Good Quality: Adopts super-strength transparent engineering material, which has good rigidity, wear resistance, no deformation, no hand stroke, light and durable.\n- Friendly Design: Increase the thickening knob, it is easy to measure, and the measurement is convenient and reliable.\n- 2 Angle Unit: degree and degree of random conversion\n- 2 Length Unit: metric inch double scale line on the transparent ruler is striking and generous for easy reading.\n- Clear Funciton: It can be cleared at any position to facilitate absolute and relative measurements.\n- Data Hold: Data can be held in any position for easy reading after measurement.\n- Automatic Power-off , Power Supply CR2032 3V button battery (included)\n- Flat Back: easy marking and measurement.\n- High Precision: Resolution(0.05°/3’) , Precision(0.5°)\n- Application: Widely used in hospitals, wood furniture, building materials decoration, school teaching aids, student stationery, home DIY, mechanical processing and other fields\n\nPackage included:\n1 * Digital Angle Ruler"]