Harken 40mm Carbo Air Double Swivel Block, Lightweight

Experience efficient and effortless sailing with the Harken 40mm Carbo Air Double Swivel Block. Engineered for superior performance, this block is a testament to Harken's innovative design, combining lightweight, fiber-reinforced composite construction with incredibly high working loads for safe and easy trimming. It's the ideal choice for optimizing main, jib, and spinnaker sheets on dinghies and sportboats, as well as various control lines on boats of all sizes. Upgrade your rigging for enhanced performance and reliability.

Key Benefits & Features:

• Optimized Sheave Diameter (40 mm / 1 9/16 in): Perfectly sized for a wide range of sailing applications, ensuring versatility on board.
• Max Line Diameter (10 mm / 3/8 in): Accommodates common control lines, providing broad compatibility with existing rigging.
• High Maximum Working Load (440 kg / 970 lb): Provides exceptional strength to securely handle high loads, enhancing safety and reliability.
• Lightweight Carbo Air Construction: Features a fiber-reinforced composite design that is approximately 30% lighter and 60% stronger than traditional blocks, minimizing weight aloft without sacrificing durability.
• Low-Friction Operation: Utilizes free-running ball bearings on curved races to efficiently disperse load, ensuring smooth trimming and quick line release.
• UV-Stabilized Components: Ball bearings, sheave, and side plates are treated for maximum UV protection, resisting degradation from sun exposure for long-lasting durability.

Recommended Applications: Ideal for main sheets, jib sheets, spinnaker sheets, vangs, outhauls, and other high-load control lines.