THE CONTRASTING CROSSHAIR DESIGN MAKES LINING UP YOUR SCOPE CROSSHAIRS A SNAP. USE AS A SIGHT-IN TARGET OR FOR GENERAL PURPOSE. EACH SHEET CONTAINS EXTRA REPAIR PASTERS THAT MATCH THE CENTER AIMING POINT, BECAUSE THAT IS WHERE YOU WILL BE HITTING THE MOST ANYWAY! INSTANT FEEDBACK ? NO NEED TO WALK DOWNRANGE OR USE BINOCULARS TO SEE YOUR SHOT. GREAT FOR INDOOR OR OUTDOOR USE AND LOW-LIGHT CONDITIONS.