Designed by professional sailor Sean "Doogie" Couvreux, manufactured in the USA by Schaefer Marine. Light enough for one design keelboats - use 45-06 for boats up to 45 ft.
Machined from 6061-T6 aluminum and hardcoat anodized, the Adjustable Opening Sail Prefeeder can be opened with the pull of a lanyard.
The stainless steel pin and spring arrangement ensure reliability and the aluminum body saves weight.