- Low-friction Carbo AirBlocks are lightweight, strong, reliable—and economical. Consistently 30% lighter and 60% stronger than equivalent Classic blocks
- The sideplates are UV-stabilized, high-strength resin and designed for small-diameter lines favored by racers. Good for jib and mainsheet systems on high-performance dinghies, and for high-load control lines on small keelboats
- Recipient of both the Dame Award and Sail Magazine’s Freeman-Pittman Award for innovation, this innovative line of blocks turns fiber-reinforced composite construction into a reliable strength-to-weight ratio you can depend on.
- Companions to the popular Harken Black Magic block line, these small, compact blocks work well with very high working loads for easy trimming.
- Sheave Diameter: 1 9/16" (40 mm) Max. Line Diameter: 1/4" (6 mm) Max. Working Load (MWL): 900 lb. (408 kg) Breaking Load: 1800 lb. (816 kg) Weight: 8.3 oz. (235 g) Length: 4 5/16" (94 mm)
Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks have very high working loads for safe, easy trimming.
