BCY No. 2X Bow String Serving 100% Dyneema® or Spectra - the smallest diameter. Fits snugly into wheel tracks and covers areas on bow strings and cables needing protection from abrasion. Available in Black, Blue, Flo Green, Flo Orange, Flo Pink, Red and White. The smaller diameter makes this a great choice for roller guards, idler wheels and if you prefer to serve through the cable slide. BCY 2X serving is also a favorite in the 60X Custom Bowstring shop for serving in peep sights and drop away arrow rests. Approx. breaking strength / diam: 50 lbs/.015" Approx ft/lb : 14,200 Spool size: 150 yd. jig or 1 lb.