AimPro™ is the original and patented alignment ball marker that is guaranteed to save you strokes or your money back! * Conforms to the USGA rules of golf * Lines up straight or breaking putts more accurately * Works better than lining up the golf ball * Can be used in tournament or recreational play * We guarantee you'll save strokes every round Using a line on a golf ball is one of the most common putt alignment methods currently used by top tour players and weekend golfers alike. The problem with this method is that it is very difficult accurately line up a 3 dimensional spherically shaped golf ball to your target. Using an AimPro™ Ball Marker in conjunction with a line on a golf ball takes this popular putting method to the next level. AimPro™ is a ball marker with an alignment line built in. Its patented 2 dimensional design makes it much easier for you to accurately line up your putt than using just a line on a golf ball. AimPro™ gives you a reference line the moment you mark your ball on the green. AimPro™ conforms to the USGA rules of golf making it one of the only aids you can use while playing competitive or recreational golf.