0-500mm Digital Angle Ruler and Electronic Protractor

  Characteristic & Function 1.2-in-1,to measure both legnth and angle2.Easily operation with three function keys3.Stainless steel scale achieve durable using4.Quick display of the measured value on big LCD screen5.Fastening screw to fix the measuring angle in any position 6.Both measure the angle and length,metric and inch display 7.Compact structure to achieve convenient carrying and using8.Easing drawing line with the stainless steel ruler9.It could be well used into various field instead of angle rule straight ruler and square etc,10.Angle and slop conversion     Technical Parameters Measuring range:  0-360°  Length:500mm Resolution:  0.05°Accuracy:  ±0.3°Battery: 3V CR2032 battery (Not included)Working temperature:  0°C-40°CWorking humidity :80%Material :stainless steel     part no. specifiction (mm/inch) measuring range (degree) resolution(degree) accuracy (degree) 5423-200 200/8 0…