High Precision Angle Finder 0-90° Range Magnetic Level Measuring Ruler Horizontal Vertical Testing

Label:Yes Power Supply: 2xAAA Battery(Battery Not Includes) Package Includes: 1pc Digital Protractor Color: Red Material: Aluminum Zinc Zinc Zinc Zinc Alloy,Plastic Size: 30*4.9cm(11.81*1.93in),40*4.9cm(15.75*1.93in),50*4.9cm(19.69*1.93in)

1. Magnetic adsorption: Strong magnetic adsorption design, firmly adsorbing iron metals. 2. Accurate horizontal measurement: Accurate horizontal measurement at angles of 0 ° -90 °, with an accuracy of 0.05 °. 3. Three line large horizontal bubble: double-layer sealed protective cover, more accurate horizontal measurement 4. High flatness anti slip: more accurate measurement, anti slip and wear-resistant.