ID
1299058
$ 1,551.45
1-2 weeks delivery time
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The Harken 3233 75mm Black Magic 2-Sheave Aluminum Block Swivel is built for high-load use, offering smooth multi-line operation through its dual sheaves. Torlon® roller bearings, held apart by a center cage, reduce friction, while the shackle can either swivel or lock to avoid line twisting. With strong aluminum construction, it’s ideal for mainsheet and halyard systems.
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Harken 3233 - 75mm Black Magic 2-Sheave Aluminum Block Swivel
Designed for high-load applications, the Harken 3233 double-sheave swivel block allows smooth operation of multiple lines simultaneously. The Torlon® roller bearings, separated by a center cage, minimize friction while the shackle can lock or swivel to prevent twisting. Its durable construction handles heavy loads in mainsheet and halyard systems with ease.
- Sheave Ø: 75 mm / 2 15/16 in
- Length: 134 mm / 5 1/4 in
- Weight: 721 g / 25.44 oz
- Shackle pin Ø: 10 mm / 3/8 in
- Maximum line Ø: 14 mm / 9/16 in
- Maximum working load: 3402 kg / 7500 lb
- Breaking load: 6804 kg / 15000 lb
- Item number: HK3233
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