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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

Organic 40 Double block with swivel and becket | Nautos
The Nautos Organic 40 double swivel and ring sheave is designed to offer a lightweight, high-performance rope management solution. Like the other pulleys in this series, it is optimized for marine applications where reduced friction and efficient load distribution are essential. The "double swivel" designation indicates that it has two sheaves to receive the ropes, and can swivel to align itself with the direction of pull. In addition, this model features a ringot, which provides an additional attachment point for a rope or locking system.
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 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.
Dynamic 20 Double Block with becket | Nautos
This double pulley from Nautos is a rigging component designed to offer efficient rope management in a variety of marine applications. It features a ringot, which allows fast and secure attachment.
Dynamic 20 single Block with swivel | Nautos
This single pulley from Nautos is designed to offer a compact and efficient solution for rope management in a variety of marine applications. It is ideal for small boats and applications requiring precise rope adjustment.
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.
Dynamic 20 fixed triple Block with becket | Nautos
The triple fixed block with swivel from Nautos is designed for sailors who demand maximum performance and rock-solid reliability in high-load applications. Despite its compact size, this triple block offers exceptional strength and efficiency.
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 double block fixed with becket | Nautos
This fixed double block from Nautos is a high-performance rigging component designed to offer efficient rope management in tight spaces. It combines a compact design with great strength, thanks to the use of high-quality materials and advanced technology.
Candlestick pulley | PC Fr Nodusfactory
Articulated Candlestick pulley for furling gear, ideal for guiding the furling line of your headsail. The stanchion block reduces friction on the furling line. Its unique system with its Dyneema® textile loop and friction ring allows automatic alignment. Materials: Dyneema® / Polymer / Duralumin
Organic 40 Double Block with Swivel | Nautos
This double swivel sheave from Nautos is designed to offer a lightweight yet high-performance rope management solution. Its organic design optimizes load distribution and reduces friction, making it ideal for a variety of marine applications.
Mininox 20 single block with swivel | Nautos
This Nautos block is a compact, high-performance rigging component designed to offer efficient rope management in tight spaces. Its swivel design and quality materials make it an ideal choice for a variety of marine applications.
Organic 40 Single block with swivel and becket | Nautos
The Organic 40 swivel block from Nautos is a high-performance piece of equipment designed for demanding sailors looking for a combination of light weight, low friction and durability. Its original design, combining composite cheeks and aluminum bushes, guarantees near-zero friction and optimum heat resistance, resulting in exceptional performance.
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.
Dynamic 20 Triple block with becket and cam | Nautos
The triple block with becket and cam from Nautos is designed to offer maximum performance and versatility in high-load rope control applications. It combines the advantages of a triple block for force multiplication, a backet for attachment and a cam for easy adjustment.
Halyard block shackle in Dyneema® | R-Nub®
The Mouflage Shackle M-Nub from Nodusfactory is a high-end muffling shackle, the lightest on the market for sailboats designed to take heavy loads. It's simple and easy to install on the headboard, and requires no special maintenance . Exceptional weight-to-strength ratio, it can replace sheave blocks, or in use for reefed mainsail halyards. (Nub C80 for 14 or 16 mm rope contact us) Velcro option