FEATURES-Fits 1911 Novak Low Mount Dovetail Cut Models-Orange Front Outline-HD Night Sights were specifically created to address the needs of tactical shooters-The front surface of the rear sight is steeply hooked to assist in emergency one-handed slide operation-Note: The fronts are .330"x65° dovetail, The rears are .495"x65° dovetails-Front sight-Blade Width: 0.144"-Blade Height: 0.215"-Overall Height: 0.290"-Rear Sight-Notch Width: 0.169"-Blade Height: 0.360"-Overall Height: 0.485"