ID
1299062
$ 1,443.23
1-2 weeks delivery time
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The Harken 3237 75mm Black Magic 2-Sheave Aluminum Footblock Lockoff combines dual-sheave control with a built-in lockoff feature for temporary line holding. Its concealed mounting and Hard Lube-anodized components ensure clean appearance and UV resistance. Torlon® bearings in a central cage stay aligned to minimize friction and ensure dependable deck performance.
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Harken 3237 - 75mm Black Magic 2-Sheave Aluminum Footblock Lockoff
Combine smooth line guidance with temporary sheet security using this 2-sheave footblock lockoff. Hidden fasteners provide clean mounting, and Hard Lube-anodized components resist UV damage. Torlon® roller bearings in a center cage maintain separation and parallel alignment, reducing friction for reliable performance.
- Sheave Ø: 75 mm / 2 15/16 in
- Length: 111 mm / 4 3/8 in
- Weight: 574 g / 20.24 oz
- Maximum line Ø: 14 mm / 9/16 in
- Fasteners: 8 FH mm / 5/16 FH in
- Maximum working load: 1572 kg / 3465 lb
- Breaking load: 3143 kg / 6930 lb
- Height: 57 mm / 2 1/4 in
- A: 11.5 mm / 15/32 in
- B: 28.5 mm / 1 1/8 in
- C: 70.5 mm / 2 3/4 in
- D: 21 mm / 13/16 in
- E: 77 mm / 3 in
- F: 110 mm / 4 5/16 in
- G: 17 mm / 21/32 in
- Number of fasteners: 4
- Item number: HK3237
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