Quick Printer Golf Ball Impact Marker Quick Printer Golf Club Head Find Your Sweet spot! Get Consistent! Lower Your Score! Hit several balls and judge your consistency of striking the sweet spot,and identify and diagnose the cause of any mis-hits. When finished, Quick Printer wipes off as easily as it was applied. It will not stain, or remain on clubs. The struck ball will leave its imprint on the club surface Each Quick Printer is good for over 100 applications and will help you through buckets and buckets of balls.