Eyepal Peep Sighting System Rifle Kit SPECIFICATIONS BRAND: LYMAN CA PROP 65: YES COLOR: MATTE GREY LENS COLOR: BLUE PROTECTION TYPE: SUNGLASSES DESCRIPTION The EyePal is a modern adaptation of the century-old peep sight, which most people relate to as a pin hole sight.The EyePal enables you to simultaneously see the target, your front and rear sights - all in focus. And since its made out of a static cling material, it can be easily placed on and off of reading, prescription and safety glasses - without marring the surface or leaving any residue. Compact, lightweight and virtually indestructible, the EyePal is the ultimate addition to any shooter's kit. Rifle Kit includes (2) Identical Apertures.