Spinlock - 63mm Sheave mobile block with locking cam
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Spinlock - 63mm Sheave mobile block with locking cam £152.60
This jammer block is for situations where a fixed foot block can’t help: peeling spinnakers, or changing a sheet winch.
Controlled spinnaker handling
Attached with webbing strop, positioned on a toe rail or padeye.
No drilling and no clutter on deck.
Plain bearing sheave provides smooth running at low loads.
Excellent durability at high loads.
Strop allows fullest rotation for spinnaker sheet use CAM has three distinct operating modes.