Circular spacer used in poles and props of concrete. Its construction allows to use weighed hardware, guaranteeing the correct overlay.
| Code | Steel | B (overlay) | A |  |
| R 29 |
Up to 10,0 |
10,0 | 29,0 | |
| R 41 |
Up to 8,0 | 15,0 | 41,0 | |
| R 44 |
Up to 10,0 | 15,0 | 44,0 | |
| R 48 |
Up to 16,0 |
15,0 | 48,0 | |
| R 49 |
Up to 10,0 |
20,0 | 49,0 | |
| R 50 |
Up to 12,5 |
15,0 | 50,0 | |
| R 60 | Up to 16,0 | 20,0 | 60,0 | |
| R 67 |
Up to 12,5 | 25,0 | 67,0 | |
| R 72 | Up to 16,0 | 25,0 | 72,0 | |
| R 76 | Up to 20,0 | 25,0 | 76,0 | |
| Measurements in millimeter (mm) | ||||
