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Mast-Base
Halyard Lead Blocks


Harken1986 harken1988 harken1990 harken3123

Low-profile mastbase halyard lead blocks are lightweight and can be grouped in a small area at the mastbase. Flared cheeks prevent chafe on the halyards. High-load bearing system has Teflon® composite bushing, sideload balls. Hardkote-anodized aluminum sheave for additional strength.





Harken 44 mm Aluminum Mastbase Block
Harken 44 mm Aluminum Mastbase Block

Harken 57 mm Aluminum Mastbase Block
Harken 57 mm Aluminum Mastbase Block

Harken 76 mm Aluminum Mastbase Block
Harken 76 mm Aluminum Mastbase Block

Harken 102 mm Aluminum Mastbase Block
Harken 102 mm Aluminum Mastbase Block