Specifications
| Material | Steel |
| Material quality | C45 (steel) |
| Surface protection | Galvanic/electrolytic zinc plated |
| Suitable for bolt size (metric) | 12 |
| Inner diameter | 13mm |
| Outer diameter | 21.1mm |
| Thickness | 2mm |
| Material | Steel |
| Material quality | C45 (steel) |
| Surface protection | Galvanic/electrolytic zinc plated |
| Suitable for bolt size (metric) | 12 |
| Inner diameter | 13mm |
| Outer diameter | 21.1mm |
| Thickness | 2mm |
