HiViz front Smith & Wesson revolver sight, with resin over molding. It comes with green fiber optic family Lite Pipes, and fits most Smith & Wesson models with 2.5 inch, or longer, barrels, and adjustable rear sights, excluding Classic Series, and Performance Center guns. The installed sight height is 0.269 inches. All HiViz products are covered against defects in materials and workmanship for a full year.