110m/Roll Archery Bowstring Serving Thread Line Cord Spool Bow String Protector Features: Very strong and perfect for tying the peep sight,nock. Much more durable than other type serving thread Worked great for installing cat whiskers to the bowstring Multifunctional DIY material is suitable to be used as kite string, bowstring, cobbler line and so on. Specification: Name：Bow string Serving thread Material：Ultra high polymer polyethylene Weight: 24.5g Length: 110m Colour (optional): black/white/blue/yellow/black and white Package Includes: 1 x Serving thread(Others not included) Note: 1. Please allow 1-3 mm error due to manual measurement. Please make sure you do not mind before ordering. 2. Please allow 1-3g weight error. Please make sure you don't mind before ordering. 3. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you!