The “Twin-halyard block” is specially made for a 2 to 1 main halyard.
The very small sheave is aluminum made with a Composite Fiber bushing.
The body is completely made in “Highresistance” stainless steel Nitronic 50.
Four sizes for breaking loads from 2600 to 10000 kg, for boats up to 70 ft.
The “Twin-halyard block” is specially made for a 2 to 1 main halyard. The very small sheave is alum..
The “Twin-halyard block” is specially made for a 2 to 1 main halyard. The very small sheave is alum..
The “Twin-halyard block” is specially made for a 2 to 1 main halyard. The very small sheave is alum..
The “Twin-halyard block” is specially made for a 2 to 1 main halyard. The very small sheave is alum..
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