The protractor is made of stainless steel and can be easily removed by rotating the screw. It has durability, precision, strength and rust resistance.
The laser scale adopts special technology, the scale is clear, long service life, easy to read, and will not be worn or wiped off.
The deeply etched scale reads from 0? to 180? in the positive and negative directions. It can be adjusted and scribed arbitrarily within the range of 0-180?. It will not be easily worn out. The screw design can be adjusted.
The protractor can be fixed to the object on the protractor to fix it in the proper position. When the reading needs to be fixed, the screw can be tightened, which is convenient for operation and simple measurement of angle and length.
Exquisitely polished edges, smooth edges, accurate measurement, suitable for students, mechanics, carpenters and woodworking enthusiasts, suitable for setting bevel angle, measuring and transferring angle.