The brightest single-pin archery sight offered by TRUGLO. Extra-long, wrapped fiber is encased in a nonglare housing with a 1.8" inner aperture diameter. Pin can be illuminated with rheostat light for additional visibility. Glow-in-the-dark shooter's ring helps align peep sight, while glow-in-the-dark yardage tape keeps you dialed in, even in low light. One-handed yardage and windage adjustment knobs with additional windage microadjustment knob for precise tuning. CNC-machined design is light and rugged. Vertical adjustment to fit any bow. Bubble level. Pin diameter: .019". Includes removable quiver-mounting plate. Runs on one AG1 button-cell battery (included). For use with left- or right-hand bows.