We created the original TFO day/night sight, then made it virtually indestructible with our hermetically-sealed TFX sights. Now, we are taking TFX technology to the next level for professionals and shooters who demand maximum performance from their handguns providing ultimate reliability, accuracy, and brightness no matter how tough things get.Features:Contrasting colored front sight ring for even faster focusQuick and accurate U-notch designAngled rear sight edge for emergency 1-hand operationAll features of our popular TFX handgun sightsPatented