Harken 2660 75mm Carbo Air Single Block with Swivel Shackle

The Harken 2660 is a high-performance 75mm Carbo AirBlock® single block with swivel shackle, designed for racing sailors who demand maximum strength with minimum weight. This award-winning block features fiber-reinforced composite construction that delivers exceptional reliability and performance in demanding conditions.

Innovative Carbo AirBlock® Technology:

Harken's Carbo AirBlocks® represent a breakthrough in marine block design, recognized with both the Dame Award and Sail Magazine's Freeman-Pittman Award for innovation. These blocks are consistently 30% lighter and 60% stronger than equivalent conventional blocks, thanks to UV-stabilized, high-strength resin sideplates and precision engineering optimized for small-diameter, high-tech lines.

Versatile Performance Applications:

Ideal for jib and mainsheet systems on high-performance dinghies, as well as high-load control lines on small keelboats. The compact design handles impressive working loads while remaining easy to trim and adjust. The integrated stainless steel swivel shackle provides secure attachment with full rotation capability.

Technical Specifications:

• Sheave Diameter: 2 15/16" (75mm)
• Maximum Line Diameter: 9/16" (14mm)
• Maximum Working Load: 1,213 lbs (550 kg)
• Breaking Load: 3,638 lbs (1,650 kg)
• Weight: 6.9 oz (195g)
• Overall Length: 5 3/8" (137mm)
• Stainless steel swivel shackle attachment

This block offers exceptional strength-to-weight ratio and compact dimensions, making it an excellent choice for performance-oriented sailors who need reliable hardware that won't add unnecessary weight to their boat.