With Light Baffle Technology in the 14 grain housing, you will eliminate all glare due to the aerospace anti-glare technology that produces a field of view with zero distortions. This housing is machined with a 52 degree string angle. This kit includes InSight Short Draw Peep Housing, 6 apertures (1/32", 3/64", 1/16", 3/32", 1/8", 5/32"), 4 clarifying lens (A, B, C, D), aperture installation tool and a protective case.