Harken 40mm Carbo Air Twing Block, 606 lb MWL

Elevate your sailing performance with the Harken 40mm Carbo Air Twing Block. Engineered for efficiency and reliability, this low-friction block is a lightweight yet strong companion to Harken's popular Big Boat blocks, providing exceptional working loads for precise and safe trimming. Its snatch-style design allows for effortless line redirection, making it an indispensable tool for dynamic sail control. Upgrade your vessel's rigging today for unparalleled responsiveness.

Key Features & Benefits:

• Robust Carbo Air Construction: Built with high-strength, fiber-reinforced sideplates and a low-friction ball bearing sheave for maximum durability and minimal drag, even in light air.
• Optimal Sheave Diameter: A 40mm (1-9/16 in) sheave ensures smooth operation and compatibility with a variety of sailing lines.
• High Working Load: Boasts an impressive 606 lb (275 kg) maximum working load, providing safe and secure trimming under demanding conditions.
• Exceptional Breaking Strength: Offers a breaking load of 1818 lb (825 kg) for enhanced safety and confidence on the water.
• One-Handed Rigging: Features an opening side plate with a spring-biased release, enabling quick, easy, and one-handed attachment or removal from sheets.
• Versatile Control Options: A roller at the pivot base supports both 1:1 or 2:1 up-down control setups for adaptable trimming strategies.
• Compact & Lightweight Design: Measuring 89 mm (3-1/2 in) in length and weighing just 86 g (3 oz), it minimizes bulk and weight in your rigging.
• Maximum Line Compatibility: Accommodates lines up to 3/8 inch (12 mm) in diameter.

Ideal for:

• Dinghies, sport boats, and small keelboats.
• Spinnaker sheet and guy control.
• Code zero sheet up-down control.
• Twing systems, barber haulers, and temporary control setups where lines need easy redirection.