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: 300 x 710.
2. C x D: 600 x 310.
3. E x F310 x 350.
4. Stroke: 300 x 410.
5. H: 160.
6. Dial graduation: 4mm/0.02.