4 In1 Digital Protractor Angle Ruler Spirit Level Universal Level Ruler Woodworking Electronic Angle Instrument Angle Pr

Features 1 Four in one multi function A Measuring angle 0 999 95° B Engraved line length 190 mm 7 inches C Horizontal and vertical measurement D Plane universal measurement 2 Two in one multi function A Measuring angle 0 360°B Engraved line length 810 197 200 200 810 197 300 300 mm 3 Wide range of applications widely used in woodworking furniture building materials decoration schools home DIY mechanical processing and other fields 4 The thickened and widened ruler body is made of super strength nylon glass fiber engineering material which has good rigidity wear resistance no deformation no scratching light and durable 5 Enlarged and thickened knobs can be loosened and tightened freely and the measurement is convenient and reliable 6 The full screen super large LCD displays the measurement data and the reading is simple and convenient 7 Display unit arbitrary conversion between degrees and minutes8 Any position can be cleared to facilitate absolute and relative measurement 9 Data can be maintained at any position which is convenient for reading after measurement 10 With automatic power off function save power consumption and extend battery life 11 The flat back of the ruler body is convenient for marking and measuring 12 CR2032 3V lithium battery power supply super battery life 13 High resolution 0 05° 3 14 Accuracy 0 5°15 The dazzling white metric and inch double scale lines on the cool black ruler body are eye catching and easy to r