0-180 Degree Stainless Steel Protractor Angle Finder with 0-145mm Arm Measuring Ruler Tool, 0-145mm Ruler

1. Material: stainless steel
2. Measuring Length: 145mm
3. It can be measured multi-angle, and rotated 180 degrees
4. One-ruler multi-purpose, engineering drawing process, angle measurement, student drawing, architectural design, woodworking decoration, length measurement.