Made for shorter bows, the R.A.D. Maxim 38 Self-Aligning Peep Sight is served into the string at a 38 angle, giving you a true round aperture hole at full draw. Ideal for long-arm archers who shoot bows as short as 30 axle-to-axle. High-impact polymer construction. Sizes: 3/16, 1/8, 1/4. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Peep Sights.