40 mm Block — Swivel, Becket, Cam Cleat

Part No. 2646

Retail $110.95 

Harken's Carbo AirBlocks are 30% lighter with 60% higher working loads than Harken's Classic blocks. These small, compact blocks have very high working loads for safe, easy trimming no matter how hard the wind blows.

They are perfect for the small-diameter main and jib sheet line favored by centerboard, small keelboat, and multihull racers. Their sideplates are constructed of lightweight, UV-stabilized, Nylon resin that has been reinforced with densely packed fibers. The Carbo AirBlocks have grooved races, which gives these small blocks greater load capacity. Carbo AirBlocks feature Cam-Lock or U-Lock locking systems to hold the shackle in front or side positions, or allow them to swivel to prevent sheets and lines from twisting.

Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming.

Sheave Ø (mm)

-40 mm

Sheave Ø (in)

-1 9/16 in

Length (mm)

-102 mm

Length (in)

-4 in

Weight (g)

-122 g

Weight (oz)

-4.3 oz

Shackle pin Ø (mm)

-4 mm

Shackle pin Ø (in)

-5/32 in

Maximum line Ø (mm)

-6 mm

Maximum line Ø (in)

-1/4 in

Maximum working load (kg)

-136 kg

Maximum working load (lb)

-300 lb

Breaking load (kg)

-272 kg

Breaking load (lb)

-600 lb

Footnote

Maximum working loads and breaking loads for blocks based on cam strengths.