<ul><li>Bright - Fluorescent colors stand out against your target</li><li>Durable - Won't fade or crack over time</li><li>Flexible - Easily bends around sights and pins</li><li>Customize - Use colors you prefer on your sight</li><li>Standard sizes - Fits all bowsights and sight pins</li></ul><br><br>Nanoptics Ultra Super Flex (USF) fiber is the perfect fiber for everyday use by competition pros and enthusiasts alike. As our general use fiber, it is the brightest fiber available on the market. USF fibers easily flare with heat to stay secure in your sight pin. Each replacement pack contains five 12 fibers in your choice of size and vivid color. Our fibers fit all brands of archery sights and sight pins. Check with your sight manufacturer for proper size. Nanoptics is the worldwide leader of fluorescent optical fiber. As the leading supplier, we manufacture the brightest and toughest fiber in the industry. All of our products are proudly made in the USA.

Nanoptics Ultra Super Flex Replacement Bowsight Fiber 12" (Pack of 5) - 0.029" Blue