Adjustable collar for SDM HD extension which can bear the highest possible downhaul loads without deformation. The "open, twist & slide and twist and lock" functionality let's you set the collar quick and easy.
Pros
- Open, twist & slide and twist and lock functionality
- Collar for heavy duty use
Cons
- For some users more less intuitive to operate
- While derigging make sure the hinge part can not get stuck behind the mastsleeve
- Rubber O-ring will wear out over time (collar can be used without but will need to be closed manually)
| Adjustable Collar SDM HD Extension | 0.037 kg |