1. Material: over FC-30.
2. Precision: 0.03mm.
3. Feature: the sliding surfaces are treated by heat-treatment & precision ground.
1. A x B: 250 x 600.
2. C x D: 400 x 500.
3. E x F: 340 x 430.
4. Stroke: 250 x 300.
5. H: 210.
6. Dial graduation: 4mm/0.02.
7. T siat size: 1/2".