Belay Protection Crafted from 400D nylon with a breaking strength of 34 lbs, this serving thread offers reliable belay protection for your bowstring, strapping peepers and nocks securely to forestall wear during intense archery. Complete Spool Length With a generous 131 yards (approx 120m) of continuous cord on a single spool, you have ample material for multiple projects, from serving bowstrings to repairing kites or shoemaker's strings without frequent replenishment. Precision Thickness Featuring a consistent 0*02 inch (approx 1mm) diameter, this thread provides control for detailed work, allowing smooth wraps and secure attachments when adding whiskers or other accessories to your archery equipment. Versatile DIY Application This generalpurpose cord serves numerous crafting needs beyond archery— for kite strings, fishing line repairs, leatherworking, and other hobbies requiring a strong, dependable nylon thread that holds under pressure. Practical use scenarios Archery maintenance and equipment work: use for serving bowstrings, belay protection, and securely attaching whiskers or other accessories to enhance performance and durability during intense practice or competition. Kite strings and shoemaker strings: the long spool length supports building or repairing long lines and replacement strings without frequent reorders. Leatherworking and general repairs: a sturdy nylon thread suitable for various crafts and repairs that demand reliable strength and stability under load.