| M Wrenh | |||
| Specification | Diameter | Overall Length | Application Nuts |
| ER8M | 7.5 | 70 | ER8M |
| ER11M | 11 | 90 | ER11M |
| ER16M | 15 | 110 | ER16M |
| ER20M | 19.5 | 120 | ER20M |
| ER25M | 25 | 130 | ER25M |
| M Wrenh | |||
| Specification | Diameter | Overall Length | Application Nuts |
| ER8M | 7.5 | 70 | ER8M |
| ER11M | 11 | 90 | ER11M |
| ER16M | 15 | 110 | ER16M |
| ER20M | 19.5 | 120 | ER20M |
| ER25M | 25 | 130 | ER25M |
