
Single F1 OIML class knob weight in a plastic box including a calibration certificate
| Box | Plastic box (included) |
| Calibration Certificate | Yes |
| Density ρ | 8000(± 60) kg / m3 |
| Design | One - piece(monobloc) |
| Material | High - grade steel |
| Nominal Value | 20kg |
| OIML Class | F1 |
| Susceptibility X | < 0.2 |