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Harken 3256 - 125mm Black Magic 1-Sheave Aluminum Block Swivel
The Harken 3256 Black Magic 1-Sheave Aluminum Block Swivel delivers reliable performance under heavy loads while preventing line twist. Ideal for sailors who require durable and free-running operation in mainsheet, halyard, and spinnaker systems.
- Item number: HK3256
- Sheave Ø: 125 mm (4 15/16 in)
- Length: 254 mm (10 in)
- Width: 127.5 mm (5 in)
- Weight: 1058 g (37.31 oz)
- Shackle pin Ø: 12 mm (1/2 in)
- Maximum line Ø: 19 mm (3/4 in)
- Maximum working load: 4990 kg (11000 lb)
- Breaking load: 9979 kg (22000 lb)
- Swivel design locks in two directions to prevent line twisting
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