Tritium sights protected in TFX PRO capsule, designed for GLOCK 42, 43 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 an orange ring to allow for even faster targeting. Swiss tritium is used, the rounded shape of the sight prevents the gun from catching when drawing, the gun fits in standard holsters.