Hi Viz Comp Sight - Competition sight to replace existing bead. Includes 8 litepipes in varied colors and diameters, carrying case, 5 different thread size screws for attachment to different gun models. Fits most vent-ribbed shotguns with removable bead. Competition sight to replace existing bead; Includes 8 litepipes in varied colors; carrying case; 5 different thread size screws;