Clew sleeve with 20mm block
Windesign clew sleeve. The stainless steel sleeve will be
fixed to the boom and does not have to be detached after sailing.
The quickest system for fixing the clew.
Despite the clew strap and hook above the Windesign clew sleeve is not
allowed for racing.
Clew sleeve with 20 mm block
Clew sleeve with 16 mm Harken air