The LiteWave H3 sight combines Tritium with the HiViz LitePipe technology for 24 hour illumination. Now you can have the advantage of day and night performance all in one sight system. All steel construction sight sets are rugged and durable, designed for the roughest use, whether it is personal defense and protection, Law Enforcement or Military. Factory height sight. Blade height: 0.270″. This LiteWave H3 sight set has a green tritium front sight. Fits Ruger GP 100 with spring plunger retained front sight. Front Sight Length: 0.834″. Front Sight Width: 0.425″. Front Sight Height: 0.455″.