Tack fitting - Cunningham adjustment - various Ø

Tack fitting - stainless steel or plastic. Use for 11.0 mm or 12.8 mm diam round tube or 11.1 mm, 12.7 mm or 14.5 mm diam GROOVY masts.

Choose size of fitting required.

Used to ease the mainsail luff tension (the Cunningham effect) when the main boom is sheeted at wider angles. See the thumbnails and download for details.

Downloadable documents: 024-xxx in use