Tritium sights protected in TFX capsule, designed for GLOCK 17, 17L, 19, 22, 23, 24, 26, 27, 33, 34, 35, 38, 39 pistols. The hermetically sealed TFX capsule provides maximum protection of the tritium and light-water components from oils, chemicals and cleaning agents. Unique visibility in all lighting conditions. Both the fly and target are green, the fly is additionally highlighted with a white ring to allow for even faster targeting. Swiss tritium is used, the rounded shape of the sight prevents the weapon from catching when drawn, the weapon fits in standard holsters.