TRU•POINT™ WING AND CLAY Patented Slide-Lok™ Mounting system.Mounts to the rib without tape, screws or magnets.Special nylon liner protects rib and locks metal sight in place.CNC-machined.Fiber diameter is .060”.Endorsed by Ducks Unlimited. This machined metal, fiber optic front sight sits close to the rib and features interchangeable green, red, yellow and orange fiber optics. Special mounting design allows for a tight and secure fit behind the front bead on the ventilated rib of your shotg