Features: Get every green with precisions using our golf putt green reader. Our golf green reader easily fits into your golf bag or pocket for quick access. From driving range to putting green, this compact training tool provides instantly feedback. The precise green reading aid is excellent choice for dads, sons, friend, or any golfer aiming to improve their putting skills. By understanding direction and putt distance with precisions, you'll be able to make informed decisions on the green. Specifications: Component: Metal Size: about 40x5.1mm/1.57x0.20'' Type: 2 Kinds Optional Package Includes: 1 Pc Golf Green Reader note: Please allow 1-3cm errors due to manual measurement. Due to the difference betweeen different monitors,the picture may not reflect the actual color of the item.