Super Spars Mast Heel Tenon/Plug made from cast aluminium.

Suits M2,M5 and M7 Superspars Mast Sections.

NOTE Not suitable for the GP14 class, M6, M9, M11, M12 and L16 or carbon mast sections

Older discontinued Super Spars mast sections such as the M3 section can use this heel if the lugs on the heel plug are filed down.