- Main Traveller Blocks
- Easy on off with sister clips system
- No ball bearing - easy on off with sister clips system
- Sister clips in anodized aluminum.
- set of blocks / 91124 AND 91125 - From Nautos.
- No Ball Bearing.
- This blocks are made in plastic ( composite).
- Nautos 5 years warranty.
- Can be use on the Laser's sailboat or other dinghies.