Harken 2649 40mm Carbo Air Traveler Block for Sailboat Sheets and Control Lines

The Harken 2649 40mm Carbo Air® Traveler Block is a compact, high-performance sailing block engineered for use in traveler systems, jib and mainsheet applications, and loaded control lines on high-performance dinghies and small keelboats. Part of Harken's trusted Carbo Air® series, this block delivers an exceptional strength-to-weight ratio at an accessible price point.

Key Features:

• 60% stronger and 30% lighter than Harken's Classic block series
• Nylon-resin sideplates densely packed with long-glass fibers for a compact, high-strength construction
• Sheave spins on high-load ball bearings with fitted races for smooth, low-friction line handling
• Ball bearings, sheave, and sideplates are UV-stabilized with carbon black for long-term durability and UV resistance
• 40mm sheave diameter accommodates lines up to 8mm (5/16 in)
• Maximum working load: 330 lb (150 kg)
• Breaking load: 1,000 lb (454 kg)
• Lightweight at just 1.8 oz (52 g) with shackle
• Overall block length: 4-1/4 in (108 mm)

Common Applications:

• Traveler systems
• Main and jib sheets
• Mainsheet fine-tune
• Vangs and cunninghams
• General control lines

The Harken 2649 Carbo Air® Traveler Block is built to perform in demanding sailing conditions while keeping weight to a minimum—making it an ideal choice for competitive dinghy sailors and small keelboat racers seeking reliable, affordable rigging hardware.