Select a Category:
Fiber: Tough Super Flex
Tough Super Flex (TSF) fiber is our most flexible and durable fiber available, perfect for competition pros and weekend enthusiasts alike.
Fiber: Ultra Super Flex
Ultra Super Flex (USF) is the perfect fiber for everyday use. They easily flare with heat to stay secure in your sight pin and remain bright.
Fiber: Basic Super Flex
Bright Super Flex (BSF) is our large diameter fiber from 0.060" to 0.118" for use in specialty archery sights, as well as pistol and rifle sights.
Please select this option only after speaking with a Nanoptics Sales Representative.