Poulie simple à crochet de dériveur
Optiparts Marine Equipment
Hook-in block, as used on SILVER mast, with plain bearing Aluminum sheave. Round, fiberglass filled nylon case.
Ball bearing hook-in block as used on BLACKGOLD Stainless steel ball bearing 16 mm sheave. Smallest,
strongest and lightest hook-in block on the market.
HARKEN Ball bearing hook-in block as used on Blackgold racing masts. Due to the curved saddle the block rests against
the mast in a fixed position which prevents mast wear and creates a halyard system with less friction
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