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• CR-V steel / Carbon steel available
• Superior rust resistance
| Part No | Size | L(mm) | Inner | Outer |
| 1805 | 10mm | 77 | 5 | 100 |
| 1806 | 11mm | 77 | 5 | 100 |
| 1807 | 12mm | 77 | 5 | 100 |
| 1808 | 13mm | 77 | 5 | 100 |
| 1809 | 14mm | 77 | 5 | 100 |
| 1810 | 15mm | 77 | 5 | 100 |
| 1811 | 16mm | 77 | 5 | 100 |
| 1812 | 17mm | 77 | 5 | 100 |
| 1813 | 18mm | 77 | 5 | 100 |
| 1814 | 19mm | 77 | 5 | 100 |
| 1815 | 20mm | 77 | 5 | 100 |
| 1816 | 21mm | 77 | 5 | 100 |
| 1817 | 22mm | 77 | 5 | 100 |
| 1818 | 23mm | 77 | 5 | 60 |
| 1819 | 24mm | 77 | 5 | 60 |
| 1820 | 25mm | 77 | 5 | 60 |
| 1821 | 26mm | 77 | 5 | 25 |
| 1822 | 27mm | 77 | 5 | 25 |
| 1823 | 28mm | 77 | 5 | 25 |
| 1824 | 30mm | 77 | 5 | 25 |
| 1825 | 32mm | 77 | 5 | 25 |
