Description
The Harken 57mm Carbo Air® Single Block is a ball bearing general purpose workhorse.
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.
Key Features
- High strength-to-weight ratio general-purpose block
- 30% lighter, 60% stronger than equivalent conventional blocks
- Smaller block for jib and mainsheet systems on high-performance dinghies
- Use for high-load control lines on small keelboats
- Stainless steel swivel shackle
- Sheave Diameter: 2 1/4″ (57 mm)
- Max. Line Diameter: 3/8″ (10 mm)
- Max. Working Load (MWL): 792 lb. (359 kg)
- Breaking Load: 2380 lb. (1079 kg)
- Weight: 3.1 oz. (87 g)
- Length: 4 5/16″ (110 mm)
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