ID
1299042
$ 761.30
1-2 weeks delivery time
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The Harken 3217 57mm Black Magic 2-Sheave Block With Swivel is built for high-load applications with two sheaves to distribute force evenly. Its Torlon® bearings and center cage minimize friction, and a swivel shackle prevents line twisting. It weighs 336 g and has a 1633 kg working load. Item number: HK3217.
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Harken 3217 - 57mm Black Magic 2-Sheave Block With Swivel
The Harken 3217 is designed for high-load applications, featuring two sheaves to distribute the force evenly. Its Torlon® roller bearings and center cage reduce friction, while the swivel shackle prevents line twisting, making it ideal for mainsheet, runner, halyard, and spinnaker systems on performance yachts.
- Sheave Ø (mm): 57 mm
- Sheave Ø (in): 2 1/4 in
- Length (mm): 132 mm
- Length (in): 5 3/16 in
- Weight (g): 336 g
- Weight (oz): 11.86 oz
- Shackle pin Ø (mm): 8 mm
- Shackle pin Ø (in): 5/16 in
- Maximum line Ø (mm): 12 mm
- Maximum line Ø (in): 7/16 in
- Maximum working load (kg): 1633 kg
- Maximum working load (lb): 3600 lb
- Breaking load (kg): 3267 kg
- Breaking load (lb): 7200 lb
- Item number: HK3217
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