Available in 7ft., 9ft., and 13ft. Lengths, the TourLinks Training Aid is the best all-in-one putting trainer ever developed. Tour Links Training Aids deliver positive feedback to all aspects of your stroke. Follow the club path down the String Guide. Maintain square-ness at impact with the Stroke Groover Block. Improve your alignment with the Ball Marking Tool. Learn proper head and body position with the alignment Hash Mark. Create breaks with the Contour Mats and aim center cup with the Cup Reducing Ring. Suitable for left or right hand golfers. No more 3 putts!!!