Harken Block 57mm Carbo Triple with Swivel
Harken’s low-friction Carbo AirBlock® is lightweight, strong, reliable and affordable. It has an enormous working range, with a very high working load for safe, easy trimming. It has a higher working load than standard blocks, even though it is lighter in weight! Use with #28-2629 base block for a 6:1 carbo low-profile mainsheet system.
Can be used as top block for H16 6:1 mainsheet system or a light air H18 6:1 mainsheet system.
- Sheave diameter: 2-1/4″ (57 mm)
- Length: 4-3/4″ (121 mm)
- Weight: 9 oz. (255 g)
- Shackle pin diameter: 1/4″ (6 mm)
- Maximum working load: 2380 lb. (1080 kg)
- Maximum line diameter: 7/16″ (10mm)
- Breaking load: 5000 lb. (2270 kg)