DGZZI Stainless Steel 0-180 Degree Protractor Angle Finder Rotary Arm Measuring Ruler 100mm - Product Features
- Professional tool for drawing or measuring angles or lines.
- Suitable for drawing radial lines, setting bevels, transmitting angles, and more.
- For deeply etched scales, the indexer is read from 0 to 180 Degree in the positive and reverse directions, and the ruler is a scale of 0 to 10cm. Does not wear or rub.
- Adjustable protractor arm locks into desired position with knurled thumb nut to quickly and easily identify angles
- One-ruler multi-purpose, engineering drawing technology, angle measurement, student drawing, architectural design, woodwork decoration, length measurement.