Harken 344 29mm Triple Carbo Air Block with Swivel

The Harken 29mm Carbo Air Triple Block with swivel shackle delivers exceptional strength-to-weight performance for high-performance sailing applications. This award-winning block features fiber-reinforced composite construction that is consistently 30% lighter and 60% stronger than equivalent conventional blocks, making it ideal for jib and mainsheet systems on racing dinghies and high-load control lines on small keelboats.

Key Features:

• Triple sheave configuration with 3-way U-Lock for changing headpost direction
• UV-stabilized, high-strength composite sideplates for durability
• Low-friction sheaves designed for small-diameter racing lines
• Stainless steel swivel shackle for versatile attachment options
• Sheave diameter: 1 1/8" (29mm)
• Maximum line diameter: 5/16" (8mm)
• Maximum working load: 990 lbs (449 kg)
• Breaking load: 2000 lbs (907 kg)
• Block length: 2 7/8" (73mm)

Winner of both the Dame Award and Sail Magazine's Freeman-Pittman Award for innovation, Carbo Air blocks are part of Harken's most advanced block technology. The compact design works seamlessly with very high working loads while maintaining easy trimming capability, making it a reliable choice for demanding sailing conditions.