ID
1299056
$ 829.85
1-2 weeks delivery time
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The Harken 3231 75mm Black Magic 1-Sheave Aluminum Block Swivel offers strength and smooth operation for demanding sail controls. It uses Torlon® bearings and a lockable swivel shackle to prevent line twist. It weighs 331 g and handles 2268 kg. Item number: HK3231.
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Harken 3231 - 75mm Black Magic 1-Sheave Aluminum Block Swivel
The Harken 3231 swivel block combines lightweight strength with versatile line management. Perfect for demanding sail controls, it features Torlon® roller bearings housed in a center cage to reduce friction. The shackle design allows locking in two directions or free swivel to prevent line twist, making it ideal for halyards, mainsheets, and spinnaker systems.
- Sheave Ø: 75 mm / 2 15/16 in
- Length: 129 mm / 5 1/8 in
- Weight: 331 g / 11.68 oz
- Shackle pin Ø: 8 mm / 5/16 in
- Maximum line Ø: 14 mm / 9/16 in
- Maximum working load: 2268 kg / 5000 lb
- Breaking load: 4536 kg / 10000 lb
- Item number: HK3231
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