1. Use the optical gap method to check the rectangularity of the edge. Both sides of the blade are beveled.
2. Accuracy grade 1, square tolerance 0.02-0.05mm.
3. Grinding and grinding beams and blades into parallelism.
4.30 degree edge, beam and blade are grinded and ground.
Material: stainless steel
Side angle: 30 degrees
Seat width: 5mm/0.2\"
Accuracy: Grade 1
Usage: 90 degree right angle measurement, designed for precise layout and measurement work.
1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
2. Please allow 1-3mm measuring deviation due to manual measurement.
1 X Edge Square Ruler