Bullet holes are revealed with bright chartreuse rings. - Self-adhesive backing makes targets easy to put up. - Convenient 1 numbered grid lines simplify scope adjustments. - Great for indoor or outdoor use and low-light conditions. - Five targets on each sheet use center target for sighting-in and four smaller targets for testing results of various ballistic loads or for confirmation of sight-in groups. Convenient 1 numbered grid lines simplify scope adjustments.