TRUGLO Brite-Site TFX, Sight, Fits CZ 75 Series, Tritium /Fiber-Optic, Day/Night Sight, 24/7 Brightness TG-TG13CZ1A TFX CZ 75 Set Handgun Sight provides a longer sight radius for tighter groupings. The aiming elements are encased inside a virtually indestructible chemical and shock resistant capsule. All of the CNC-machined steel is protected with a rust proof Fortress Finish. There is even a highly visible white ring surrounding the front fiber to make it even more visible.