The Radical Archery Super-Deuce 38 Peep Sight mounts in the string at a 38-degree angle providing a perfectly round hole at full draw. Dual-radius slotting virtually eliminates string-abrading burrs and corners and a groove around the circumference protects against peep-loss and resists accidental shifting.Specifications and Features:38-degree mounting angleDual-radius slottingCircumferential groove prevents shifting