Features: Designed for ease of use, this putting tutor is perfect for both beginners and experienced golfers. This golf putting tutor is excellent practice aid, helping golfers improve their putting skills. Putting training tool is created to check your alignment, eye position and shoulder alignment. Learn how much putts break simply by adjusting the aim of the putting tutor higher or lower until well strikes putts Go in. Great for most skill levels. With the easy to use putting tutor you can improve your putting skills by adjusting the aim line and make those difficult putts. Specifications: Component: ABS Size: about 220x120x65mm/8.66x4.72x2.56inch Package Includes: 1set Golf Instructor Putter Trainer note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.