An ORIGINAL Lyman tang sight (aka Peep Sight) for Winchester 1894 32-40 & 38-55 calibers, 1892 lever action rifles in 25-20, 32, 38 and 44 caliber, and Winchester Model 53. It comes with one sight aperture. Tang screw Hole spacing on the base of the sight is 2.4 inches outside and 2.2 inches screw-center to screw-center. Sight adjustment is 1.680 inches to 2.015 inches, with an 18 degree angle. Included the mounting screws with it