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Product Description
Recurve archery sight aperture designed to hold a 12.5mm x 1mm lens. This aperture will require the following to use with a lens: 1X O-Ring (1/2" O.D., 3/8"" I.D.), 1X 8-32 x 2-1/2" pan head machine screw, 1X 12.5mm x 1mm float glass window (Edmund Optics)