Harken 40mm Carbo Air Block, Single with Swivel & Becket

Optimize your sailboat's performance with the Harken 40mm Carbo Air Block. Engineered for superior efficiency, this lightweight and exceptionally strong block delivers ultra-low-friction performance for smooth, responsive sail trimming. Featuring advanced Carbo Air technology, it's a reliable choice for demanding marine environments, providing a significant upgrade in strength and weight savings over classic blocks. Invest in Harken quality for precise control and enhanced sailing.

Key Benefits & Specifications:

• Compact Strength: Features a 40 mm (1-9/16 in) sheave, optimized for minimal size without compromising robust performance.
• High Line Capacity: Accommodates a maximum line diameter of 10 mm (3/8 in), ensuring compatibility with a wide range of control lines.
• Exceptional Working Load: Supports a maximum working load of 485 lb (220 kg), providing dependable power for critical adjustments.
• Superior Breaking Strength: Offers an impressive breaking load of 1620 lb (735 kg) for enhanced safety margins under extreme conditions.
• Ultra-Lightweight Design: Weighs only 1.7 oz (48 g), reducing overall rigging weight aloft for improved boat speed and handling.
• Versatile Swivel & Becket: Includes a shackle that can lock in front or side positions, or swivel freely to prevent line twisting and allow for diverse rigging setups.
• Durable Construction: UV-stabilized nylon-resin sideplates, reinforced with densely packed glass fibers, ensure maximum protection and a high strength-to-weight ratio in harsh marine conditions.

Ideal Applications:

• Main and jib sheets
• Mainsheet fine-tune systems
• Control lines, vangs, cunninghams, and outhauls
• High-performance dinghies and loaded control lines on small keelboats