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