Specifications
| Material | Kupari |
| EN Code | EN 1057 |
| Length (mm) | 5 |
| Inside diameter (mm) | 25.6 |
| Outer diameter (mm) | 28 |
| Thickness (mm) | 1.2 |
| Size (mm) | 28 |
| Length (mm) range | 0 - 70 mm |
| Inside diameter (mm) range | 20 - 50 |
| Outer diameter (mm) range | 20 - 40 |
| Thickness (mm) range | 0 - 2 |
| Size (mm) range | 25 - 50 |