With Birchwood Shoot-N-C Sight-In target bullet holes are revealed with bright chartreuse rings. 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. The convenient 1" numbered grid lines simplify scope adjustments. Self adhesive backing makes targets easy to place. Great for indoor or outdoor use and low light conditions. Includes 144 repair pasters to lengthen target life.