Red EYE peep sights aren’t just another doughnut for hunters to take aim through. The precision Swiss CNC machined Red EYE is a simple yet innovative concept designed to collect and deliver more light to the archer’s eye while still maintaining its purpose of archers attention on one’s target and pins. Contradicting traditional concave peep sight construction, the Red EYE uses a convex entrance pupil that’s larger in size and based upon the proven design of how a binocular or scope bell gathers more light. This additional light is then transferred through the exit pupil and directly into shooters eye, equaling better aiming in low shooting light situations and the possibility to remain on stand as the soft glow of dusk and dawn tints the timber. Available in three sizes: Small-1/8 inch, Medium 3/16 inch and Large 1/4 inch the Aluminum construction of the Red EYE is lightweight and ultra-durable. A Red anodized finish allows for quick, easy and concise alignment with the archers sight and consistent anchoring before each shot. The peep is easily centered and secured between a halfed-bowstring by way of deep radial and angular groves maintaining a secure hold no matter how many times your bow is fired.