

Triple Ball Bearing Block ø57mm + Swivel
Discover the Nautos Line Series performance block range, designed to meet all needs on board. Robust and ultra-smooth with their ball bearings, these blocks offer excellent resistance to effort and maximum efficiency in all configurations.
From ø28mm to ø75mm, available in a very wide range, they are suitable for both dinghies and habitable boats.
The triple ball bearing block is designed for mechanical advantage systems on small diameter downhauls where quick release is needed, or on a mainsail sheet!
| Diameter | Max. Line | Working Load |
Breaking Load |
| ø39mm | ø10mm | 300kg | 500kg |
| ø57mm | ø12mm | 500kg | 1080kg |