Masters Align-M-Up Ball System

The Masters Align-M-Up Ball System is a really useful golf accessory which features a putter squareness line to aid in keeping the putter face square through impact and a swing path reminder line to aid a good golf swing path, Sink more putts, nail more fairways and lower your score. Simply push your golf ball firmly into the cradle, then mark the outside of the ball using a permanent pen.