TRUGLO HIGH-VISIBILITY REPLACEMENT FIBER-OPTIC MATERIAL: The TruGlo Replacement Fibers are crafted of high-quality materials and provide long-lasting performance - the durability of TruGlo Replacement Fibers allows shooters to focus on shooting and not worry about their fiber breaking or needing to be replaced often. TruGlo Replacement Fibers are also known for their versatility. They can be used in a variety of lighting conditions, from bright sunlight to low light situations. This makes them a great choice for hunters and target shooters alike who need to be able to quickly and accurately aim in any lighting condition. These fibers are designed to fit most sights, and can be installed with little hassle. The bright neon colors of these high-visibility fibers make it easy for the shooter to aim and have better accuracy. So don't let anything stand between you and success - choose TruGlo for your hunting needs! NOTE: Fiber diameter and length may vary per sight or installation application. Please check actual sight model before ordering. SPECS & FEATURES: - Replacement fiber-optic material for firearm and archery sights; - Efficient light transmission and vibrant color; - Available in a wide variety of colors and sizes.