ID
1299064
$ 1,089.64
1-2 weeks delivery time
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The Harken 3239 75mm Black Magic Runner Block With Becket supports mast bend adjustment in offshore sailing conditions. Its integrated bails and recessed cotter key create a streamlined design, while Hard Lube-anodized sheaves and sideplates resist UV wear. Torlon® roller bearings stay separated and aligned to maintain smooth, efficient line handling.
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Harken 3239 - 75mm Black Magic Runner Block With Becket
Runners are essential for adjusting mast bend on offshore boats under varying wind conditions. This block features integrated sideplate bails and a recessed cotter key for a sleek, snag-free design. Sideplates and sheaves are Hard Lube-anodized for UV resistance and smooth operation. The center cage keeps Torlon® roller bearings separated and aligned to minimize friction.
- Sheave Ø: 75 mm / 2 15/16 in
- Length: 146 mm / 5 3/4 in
- Weight: 318 g / 11.2 oz
- Maximum line Ø: 14 mm / 9/16 in
- Maximum working load: 2268 kg / 5000 lb
- Breaking load: 4536 kg / 10000 lb
- Clevis pin Ø: 12.7 mm / 1/2 in
- Item number: HK3239
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