Product description usga approved dimensions 1 4 inches in diameter weight 60 grams 5 gm length 10 5 inches colors red super stroke flatso mid 1 4the flatso mid features our non tapered technology new patent pending pentagonal shape and flat top design these characteristics inhibit wrist action and promote shoulder rotation for added consistency in your putting stroke 140 in diameter weighing 60 grams new high tech pu material features cross traction technology for improved fee