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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 57 lightweight single ratchet pulley | Nautos
The ultra-light single ratchet block from Nautos is designed for racing yachts up to 9.8 meters, where every gram counts. Its innovative organic design, combining composite cheeks and aluminum bushes, guarantees near-zero friction and optimum heat resistance, enabling maximum performance. What's more, it features a ratchet for precise rope control.
Organic 57 lightweight single pulley for soft attachment| Nautos
The Organic 57 transfilage pulley from Nautos is 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.
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 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.
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.
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.
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
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.
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.
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
Violin pulley for self-tacking jibs | Pp®
PP® is the lightest and strongest pantor block on the market. Designed for demanding sailors, it offers unrivalled performance, reliability and safety. How it works: The small sheave of the friction ring slides over the bridle, while the ball-bearing block is used for the passage of the tackle sheet. This innovative system guarantees smooth, effortless operation. Versatility: The PP® block is compatible with all types of sailboat and can be used for a variety of applications, including: Jib clew adjustment Headsail control Spinnaker sheet adjustment Blocking any type of sheet or rope
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.
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.
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.
Organic 40 single block with soft attachment | Nautos
The Organic 40 single Block with soft attachment is a high-performance piece of equipment designed for sailors concerned with lightness and efficiency. Its design, combining composite cheeks and aluminum bushes, guarantees minimal friction and optimum heat resistance, resulting in exceptional performance.