· Made of special steel. fine ground, hardened
· Adjusted in pairs, tolerance ± 0,005 mm
· Parallelism 0,010 mm
· Accuracy ± 0,01 mm
· Angle acuracy 0,008 mm/ 100 mm
· Hardness HRC 50 ±2
· In wooden case

| Length (mm) | Thickness (mm) | Pairs (mm) | Highness (mm) | Kg |
|---|---|---|---|---|
| 120 | 10 | 12 | 14-16-18-20-22-24 | 6,6 |
| 26-28-30-32-35-40 |
