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Hook Block-Nub® opening pulley: The ultimate performance for your listening control
Unrivalled lightness, strength and control
Discover the Hook Block-Nub ® opening pulley, the most advanced listening control solution on the market. Its innovative design combines exceptional strength with minimal weight, for unrivalled performance and reliability.
Versatility and efficiency
Hook opening pulley (open ring): Quick and easy installation on the rope.
Block-Nub 30 / 40 in Pa11 carbon
Block ring locking system: Locks the hook and prevents accidental opening.
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Customer ServiceOpen spherical low-friction ring hook NUB for 12 mm rope.
An accessory that can easily be hooked onto a genoa or spinnaker sheet, or as a replacement for a mast foot block.
Repairability index -(Link to explanatory table)
Compositions
Properties

Soft Shackle in Dyneema® for Block | T-close® T
The T® shackle is a Dyneema® textile shackle specially designed for use with wire rope pulleys. It's easy to install, very light and can withstand heavy loads. This shackle is compatible with most wire rope Pulleys as Hi-Tech Nodus Factory, Harken, Karver, Ronstan, Selden, Rutgerson... pulleys. Materials: Dyneema® / Tech Polymer
Automatic ratchet block with swivel | Nautos
This automatic ratchet Block from Nautos is an innovative pulley designed to offer optimized rope management on board boats. Its unique feature lies in its load sensitivity and versatility, thanks to a removable swivel pin.
Mininox 20 Triple Block with becket| Nautos
This triple block from Nautos is a high-performance rigging component designed to offer efficient rope management in tight spaces. It combines a compact design with high strength, thanks to the use of high-quality materials and advanced technology.
Offshore 57 Bearing ball Block with swivel | Nautos
The Offshore 57 Bearing ball Block with swivel from Nautos is designed for navigators who demand optimum performance and rock-solid reliability in high-load applications. Featuring a robust design and high-quality bearings, this pulley offers minimal friction and exceptional durability.
Dynamic 30 single fixed Block | Nautos
This single fixed block from Nautos is a rigging component designed to offer efficient rope management in a variety of marine applications. Its compact, robust design makes it ideal for tight spaces and applications requiring precise rope adjustment.
Dynamic 20 single Block fixed | Nautos
This fixed single block from Nautos is a rigging component designed to offer efficient rope management in a variety of marine applications. Its compact, robust design makes it ideal for tight spaces and applications requiring precise rope adjustment.
Organic 40 Block with soft attachment and becket | Nautos
The Organic 40 Block with soft attachment and becket is specially designed for racing yachts up to 9.8 meters, where performance and light weight are essential. Its innovative design, combining composite cheeks and aluminum bushes, guarantees virtually zero friction and optimum heat resistance, enabling maximum performance.
Organic 40 Triple block with swivel and becket | Nautos
The Organic 40 triple Block with swivel and becket from Nautos is designed for sailors who demand maximum performance in high-load applications. Its innovative design, combining composite cheeks and aluminum bushes, guarantees near-zero friction and optimum heat resistance, enabling smooth, efficient maneuvering.
Crossdeck Block - Flat deck return block | Nautos
Optimize the passage of your ropes on deck with the Crosdeck Block from Nautos, the innovative flat deck return pulley. Specially designed for sailboats, this ingenious solution ensures smooth, direct deflection of your sheets and halyards from the exit of your piano to the nearest available winch. Finish unnecessary friction and complicated maneuvers! The Crosdeck Block fits discreetly on your deck thanks to its flat profile, reducing the risk of snagging and preserving the aesthetics of your boat. Its sturdy design and high-quality materials guarantee exceptional resistance to the most demanding marine environments, ensuring long-lasting reliability.
Organic 57 Ratchet block with swivel and becket| Nautos
The Organic 57 ratchet block with swivel and becket from Nautos is a high-performance rigging component designed to offer optimal rope management on racing boats. Its design combines a composite cheek and aluminum races to minimize friction and heat resistance.
low friction carbon pulley | Pulley Sleek®
The Sleek® low-friction P-Tech® carbon pulley , Nodus Factory™ is very light, reliable and highly resistant to friction for dynamic use. It can be used in many applications with all types of non-abrasive ropes. An ultra-light, compact sheaveless pulley for multiple uses on small units, lazy jack, cunningham, barber, kitesurf...
Dynamic 20 Fixed triple block | Nautos
The triple block from Nautos is designed for demanding sailors looking for a compact, high-performance solution for high-load applications. Despite its small size, this triple block offers exceptional strength and reliability.
Organic 40 Triple Block with Swivel | Nautos
The Organic 40 triple block with swivel from Nautos is specially designed for racing yachts up to 9.8 meters, where performance and light weight are essential. Its innovative design, combining composite cheeks and aluminum bushes, guarantees near-zero friction and optimum heat resistance, enabling maximum performance.
Spinnaker Tackle and Halyard Pulley | Spi 4 Nub®
Spi 4Nub®: Nub® pulley on strap for simple, effective spinnaker tack attachment The Spi 4Nub® is an innovative solution for attaching the spinnaker tack to the bowsprit. This Nub® pulley on a "tie" strap offers easy and secure installation, without the need for mechanical fastening. Advantages of the Spi 4Nub® : Easy to install: The "tie" strap allows the pulley to be attached quickly and easily around the bowsprit, without drilling or special tools. No need for mechanical fastening: The Dyneema® webbing and lashing ensure stable and secure attachment of the spinnaker tack. Secure locking under load and unloaded: The Nub® pulley offers reliable spinnaker locking, even under heavy load.
Mininox 20 triple block fixed | Nautos
This fixed triple block from Nautos is a high-performance rigging component designed to offer efficient rope management in tight spaces. It combines a compact design with high strength, thanks to the use of high-quality materials and advanced technology.
Organic 57 Ratchet block with swivel, cam and becket | Nautos
The Organic 57 Ratchet Block with swivel, cam and backet from Nautos is an essential equipment for sailors seeking control and precision when maneuvering. Designed to deliver optimum performance in a variety of applications, this pulley combines robustness, reliability and ease of use.