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Harken 40mm Fiddle Block - Swivel/Becket/Cam Cleat
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Harken 40mm Fiddle Block - Swivel/Becket/Cam Cleat

Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken® Black Magic® line, these small, compact blocks have very high working loads for safe, easy trimming. The 40 mm fiddle is an excellent choice for 3:1 and 4:1 tackles on dinghy vangs and mainsheets, as well as for controls such as cunninghams and internal boom outhauls on larger boats.

Sheave Ø 40mm

Length 131mm

Weight 128g

Shackle pin Ø 4mm

Maximum line Ø 6mm

Maximum working load 220kg

Breaking load 735kg

Footnote Maximum working loads and breaking loads for blocks based on cam strengths.

DO NOT use Harken equipment for human suspension unless product is specifically certified and labeled for such use.