BF, the Block-Friction® violin ring FrD® has an exceptional weight/strength ratio (10 times lighter than a pulley), designed for a heavy static load.
The Friction Blocks can be used to make vang or mainsail 3:1 or 4:1 hoists on dinghies, as well as Cunningham adjustment hoists, or clew hoists on larger vessels.
- Bobstays
- Foresail 3D trim
- Hoists (mainsail, vang, running backstay, etc)
- Double sheet hauler
- Bridle
Advantages
- Weight/strength ratio
- Performance, lightness and reliability
- Reliable and maintenance free
Specification:
- Breaking Load: 800 / 1600 kg
- Lenght: 7cm
- Ø Interne: 14/10mm
- Ø Rope recommended: 8/6mm