Ball bearing single sheave Orbit Block™. Requires 2 x 6mm (1/4″) fasteners.
FEATURES
2-stage ball bearing system.
APPLICATIONS
Mainsheet systems and spinnaker sheets on dinghies, off-the-beach catamarans and sportsboats to 8m (26ft).
Halyard, vang and backstay applications on boats to 9m (30ft).
Control line applications on larger yachts.
MATERIALS
- Sheave and ball bearings: High compression strength acetal.
- Frame/cheeks: Toughened, glass fibre reinforced nylon.





