Tru Glo Rival FX 5 Pin Light .019 Diameter Bow Sight- Black Rival FX archery sights let you quickly and effortlessly change fiber colors to achieve maximum contrast against your target, all with out disturbing pin position. This is thanks to TRUGLO's revolutionary FX Fiber X-Change TRU€¢FLO 3.0 Interchangeable Fiber Design. Features: Extra-long fibers routed through aperture for increased durability and exposure to UV light TRU€¢TOUCH Soft-Feel Technical Coating Adjustable 2nd axis aperture Reversible bracket for greater vertical adjustability Adjustable for left and right-handed shooters FX Fiber X-Change Technology - change fiber color without changing pins! TRU€¢FLO 3.0 Interchangeable Fiber Design allows for quick and easy fiber replacement (patent pending)