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Continue ShoppingHARKEN 57mm Triple Fiddle Block — Swivel, Reinforced Cam Arms, HSB378
Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks have very high working loads for safe, easy trimming.
Sheave Ø (mm) | 57 mm |
Sheave Ø (in) | 2 1/4 in |
Length (mm) | 153 mm |
Length (in) | 6 in |
Shackle pin Ø (mm) | 6 mm |
Shackle pin Ø (in) | 1/4 in |
Maximum line Ø (mm) | 10 mm |
Maximum line Ø (in) | 7/16 in |
Maximum working load (kg) | 1080 kg |
Maximum working load (lb) | 2380 lb |
Footnote | Maximum working loads and breaking loads for blocks based on cam strengths. |
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