Putting Rail Putter Practice JP5414TR Putting Rail Pro Repetition Golf Practice Patent No. 4653009 Practice Equipment Indoor PracticeYou can always hit in the direction you aim! Direction Stroke Alignment check Improve concentration Product features: It has an extremely gentle concavity, and has a unique design that prevents the club from going straight if the direction of the face shifts even slightly at impact. It has been well received by many customers! Size (mm): 100042 Country of production: Taiwan Package size: 112 x 12 x 11 cm; 540 g