TruGlo TFO Day/Night Sight Set for Novak .270/.450 Yellow Rear Sight. 270/.450 Ylw Rs - Illuminated tritium glows without the need for batteries or exposure to light. The tritium portion of this TruGlo Sight Set has a "contained" tritium portion that glows without light (batteries or light exposure). The concealed fiber of the Tru Glo Tritium/Fiber-Optic Illuminated Night Sight Set is perfect for use in all shooting conditions. This handgun sight from TruGlo has a "Fortress" finish that provides a permanent protective coating for maximum protection. The Truglo Tritium and Fiber Optical Illuminated Night Sight also utilizes high quality Swiss tritium for maximum brightness. The concealed portion of this tritium night sight set is perfect for use with a railed rifle. Please note that these sights do not fit Colt Delta models. Specifications for TruGlo TFO Day/Night Sight Set for Novak .270/.450: Manufacturer: TruGlo Country of Origin: USA Features of TruGlo TFO Day/Night Sight Set for Novak .270/.450: Provides great visibility in all shooting conditions Glows in the dark No batteries required Fortress finish provides a permanent protective coating for maximum protection Utilizes quality Swiss tritium for maximum brightness Concealed fiber cannot be seen by target Snag resistant design/fits standard holsters Package Contents: TruGlo Tfo Set - Novak .270/.450 Ylw Rs The TruGlo Tfo Set - Novak .270/.450 Ylw Rs is a quality addition to the TruGlo lineup. For more great deals on Tritium Pistol Sights by TruGlo please browse our TruGlo Gun Parts page. TruGlo TG-TG131NT2Y: TFO Day/Night Sight Set for Novak .270/.450 Yellow Rear Sight