Peep sight from Hamseka with apertures and lenses. Key features: Includes 6 different aperture sizes so you can experiment with your view without buying more inserts. Full range of clarifiers to suit any scope lens and drawlength. Fine tune your view for optimal performance in all lighting circumstances. Simply screw in and out to find the size that fits your shooting style. Glare reducing design for the clearest view. Housing machined with 37.5 and 45 degree string angles to fit all axle to axles. Kit includes: Peep Housing, 6 apertures (1/32",3/64",1/16",3/32",1/8" and 5/32"), aperture installation tool, 4 clarifying lens (A, B, C, D) and protective case.