Foil Drive Gen 2 85mm wingnut set - M7/M8 various colors

This set includes extra long studs, roughly equivalent in length to an 85mm screw. Maximum safe usable length is about 89-90mm. For use with the Manta Takeoff Air. Also for Foil Drive Gen 2 Max using a board with deep tracks and GoFoil or other masts with a thick base plate. 
Set of 4 glossy anodized 6061-T6 aluminum wingnuts with stainless steel helicoil inserts. Grade 5 (6Al-4V) titanium M7x1 studs and t-nuts. Designed to be used with the Armstrong Performance mast as well as masts that use M8 hardware.  May not work with Cabrinha carbon masts or others will deeply recessed screw holes.