THE NUMBER ONE TURKEY SIGHT -- THREE EXCITING MODELS! Endorsed by the National Wildlife Turkey Federation. This 'In-Line" Tri-Dot sight offers increased visibility and accuracy under the most extreme low-light hunting conditions. Contrasting fiber colors of front and rear sights make sighting in fast and positive. Simple Snap-On installation, no screws required. *Available in .250, .375 and 6mm. rib widths.