- Function: measure, check the radius of the arc.
- Technical parameters:
+ Number of leaves: 34 leaves.
+ Measuring range (mm): 1 to 7
+ Measuring step: 0.25 mm (range 1 mm to 3 mm); 0.5 mm (range 3.5 mm to 7 mm).
+ Accuracy: ±0.03 mm (in range 1 mm to 3 mm); ±0.04 mm (in range 3.5 mm to 7 mm)
