Features: This golf ruler helps to improve balance. As a result, you can face the putter parallel to the guide line of the gauges so that the golf ball does not hook or slip. In this way, the power and direction of the mat can controlled, and the stability and balance of the short circuit can improved. This golf accuracy distance shot trainer focuses on the correct hitting postures and intensity, improving the accuracy and penetration of the shot, and helping to bring more confidence to the course. With a golf ruler, you can easily improve your hitting skills. Suitable for golfers of all levels, from beginners to professionals. This training tool provides immediate feedback on speed, pitching, and hitting and is perfect for use in a hotel, home, on a golf course, or outdoors. Specifications: Materials: Aluminum alloy Size: about 90x4cm/35.43x1.57inch Package Includes: 1pc Golf Putting Ruler 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.