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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

Open friction ring |Hook®-Tech
Versatility: The Hook® open friction ring is a versatile solution for a wide range of applications. It can be used for sheet control, sail trimming, hoist creation and much more. Ease of use: The Hook® open friction ring is easy to use and install, requiring no special tools. It requires no special tools. Performance and durability: The Hook® open friction ring is built to last. It is made from high-quality materials that are UV, water and weather resistant.
Opening pulley - Textile Hook | HK®
Hook HK® Adjustable Pulley | The High-Performance Friction Ring The Hook Nodusfactory HK® is a revolutionary low-friction open ring. A true ultra-lightweight alternative to traditional open-face blocks, it can replace a conventional block or divert a maneuver (barber, in-hauler) with remarkable efficiency. Usage & Applications: Responsiveness on Deck The Hook HK® is designed for quick maneuvers and precision adjustments under tension: Dynamic Control: Ideal for spinnaker sheets, genoa sheets, or 8.1 control. Instant installation: Its open design allows you to thread a line under tension in any situation, without disassembly. Versatility: Perfect for creating Barber-haulers, In-haulers, or for quickly hoisting 3D genoa sails. Safety: Its “textile carabiner”-style closure system prevents the line from accidentally slipping out.
Opening pulley - textile Hook | TH-C®
Textile-Hook TH-c® Adjustable Pulley: Excellence in Sheet Control Discover the Textile-Hook TH-c® , the most advanced and lightweight sheet control solution on the market. This opening block (open friction ring) combines exceptional strength with minimal weight, offering sailors unmatched performance and reliability for adjusting under-tension maneuvers. Deck Applications: A true “Swiss Army knife” of running rigging, the Textile-Hook can be installed anywhere (chock, track, pad eye): Barber-hauler & In-hauler: For precise adjustment of your headsails (dynamic use). Emergency return block: Installs instantly anywhere on deck. Load alignment: The Dyneema® SK78 textile connector ensures perfect load alignment, thereby protecting your lines and deck hardware.
Snap Pulley Textile Hook Barber-Hauler | HK-FrD
Nodus Soft Loop FrD 14 & FrD 20, Textile Hook & Dyneema® Shackle Designed for demanding rigging applications, the new models FrD 14 and FrD 20 perfectly complement our classic models HK 16, HK 22, and HK 32. This complete system combines a hard-anodized 7075 aluminum hook with a Dyneema® shackle-style textile connector equipped with an aluminum T-bone , offering an ultra-lightweight, high-strength alternative to traditional opening pulleys. FrD 14: Optimized for ropes and sheets from 6 to 8 mm . FrD 20: Optimized for ropes and sheets from 10 to 14 mm . textile hook, textile connector, Dyneema shackle, hard-anodized 7075 aluminum, textile hardware, opening block, barber hauler, FrD 12, FrD 20, Nodus Factory
Friction ring pulley | Hook-Nub
The Hook-Nub® pulley is a low-friction, high-load pulley for ropes from 6 mm to 16 mm maximum. It offers a unique combination of advantages in terms of performance, durability and ease of use. It is an excellent choice for applications where friction must be minimized and strength maximized. It differs from the Ring-Nub ring in that it has 3 retaining clips for rope or textile connectors on one side.
Opening pulley - textile hook | TH-M®
Textile-Hook® TH-M Friction-Opening Pulley: Performance and Lightweight Design The Textile-Hook® TH-M Open Friction Block is the lightest and strongest deflection solution on the market for controlling your under-tension sheets. Designed by Nodusfactory , this open friction block revolutionizes maneuvering by allowing you to re-route a halyard or sheet in the blink of an eye. Trajectory control: Perfect for your Barber-hauler or In-hauler systems (dynamic use). Manuever reorientation: Allows you to multiply force and move a load in a different direction with minimal friction. Ultra-fast installation: Its wide opening allows you to thread a line through instantly, even under tension.
opening violin pulley | Textile-Hook® 2/1
The Textile-Hook® 2/1, TH-V & TH-V I-Tech®, is the lightest and strongest sheet control solution on the market. The open hook ring combined with a low-friction FrD ring is easy to position on the rope and creates a 2/1 hoist. For dynamic use, use I-Tech® open rings. Its Dyneema® hook locking system prevents opening under load.
PO® opening pulley: The ultimate performance for your sheets, Lightweight, strong and versatile for optimum efficiency Discover the PO® opening pulley, a revolutionary innovation with its compact design, light weight and exceptional strength, the ideal solution for a wide range of halyard and mainsheet applications. Features Compact shape and minimal weight: Facilitates installation and transport. High working load for its size: Supports heavy loads effortlessly. Shackle with Dyneema® T-Close connector: Provides secure, reliable attachment. Lightweight side swivel cheeks: Reduce weight and optimize performance.
Opening pulley - textile hook | TH-Nub®
Opening pulley with Hooker, Hook-Nub® : The ultimate performance Top of the range for your sheets, Barber-hauler, renter or hoist and heavy duty reeving shackle . Featherweight for strength depending on model from 36 to 80kN and rope from 36 to 80kN . Featherweight from 42 to 89 grams for a strength depending on model from 36 to 80kN and rope from 8 to 14 mm (Max 16 mm), for adjusting your sheets. Installation is simple and easy, and requires no special maintenance. Exceptional weight-to-strength ratio, it can replace sheave blocks, or in use for reefed mainsail halyards in M-Nub-type mounting. Velcro option
Double opening pulley textile Hook | HK16-2
Hook opening pulley HK16.2 , the ideal pulley barber for spinnaker trimming downwind ! Double friction ring opening Textile Hook® that offers a fast and secure opening and closing thanks to the Velcro® Twist-Lock strap. Materials: Dyneema® / Velcro® / Duralumin
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
Hook-Violon Hk® opening pulley
The Hook-Violon Hk® pulley offers precise control of sheets under tension , enabling fine-tuning and optimum responsiveness. Its unique design allows a line to be quickly passed through in any situation, facilitating maneuvers: Control and return of sheets under tension; Quickly replace a block; Pass a rope quickly in any situation; Allows 2/1 efforts to be multiplied and a maneuver, halyard or sheet to be redirected;