This Harken 29mm double block creates low friction and is lightweight, strong and reliable. These small, compact blocks have very high working loads for safe, easy trimming.
Ideal for a mainsheet or jib purchase system.
Specifications -
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Sheave Ø (mm) - 29 mm
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Length (mm) - 54 mm
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Weight (g) - 34 g
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Maximum line Ø (mm) - 8 mm
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Maximum working load (kg) - 299 kg
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Breaking load (kg) - 737 kg