Hydrofoil wingscrew set…designed for easy adjustment in the water without the use of any tools. One set of 4 wingscrews, equivalent to 25mm overall length M6 flat head countersunk screws. Machined 6061 aluminum and stainless steel screws. Kujira engraving. Fits newer Signature, Takuma aluminum mast, and others. Does not work with mast shims
Do not use any tools and do not overtighten…finger tight only. Do not expect the wingnuts to align with your mast.