ID
1299068
$ 696.35
1-2 weeks delivery time
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The Harken 3243 75mm Black Magic 1-Sheave Aluminum Low-Load Block Swivel is crafted for frequent sail trimming with light weight and low friction. It features a red isolator, Delrin® ball bearings, and corrosion-resistant stainless components. The shackle swivels or locks to keep lines aligned under varying loads for smooth, reliable operation.
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Harken 3243 - 75mm Black Magic 1-Sheave Aluminum Low-Load Block Swivel
Engineered for frequent sail adjustments, these lightweight Black Magic Air blocks offer smooth operation with minimal friction. The low-load version features a red isolator, Delrin® ball bearings, a 17-4 PH stainless headpost, and 316 stainless steel shackles. Shackle blocks can swivel or lock to maintain line alignment during heavy use.
- Sheave Ø: 75 mm / 2 15/16 in
- Length: 129 mm / 5 1/8 in
- Weight: 335 g / 11.82 oz
- Shackle pin Ø: 8 mm / 5/16 in
- Maximum line Ø: 14 mm / 9/16 in
- Maximum working load: 1361 kg / 3000 lb
- Breaking load: 2722 kg / 6000 lb
- Item number: HK3243
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