FSD End Caps - .110/3mm FSD Nock to 8mm/.315, and 12.827mm/.505
FSD End Caps serve as nocks for tensioning the sail. They are precision molded hard plastic with a unique design that prevents flying line from snagging on them. Made in Europe, FSD End Caps are extremely durable and available in a variety of sizes.
Good to have a few on hand in your kite repair kit!