Using this golf swing tempo training aid to exercise your concentration which can help you better master the swing skills and improve your swing rhythm, leading to more consistent ball striking. Features: With a high-quality stainless steel shaft, resin head and non-slip rubber grip, it's durable and long lasting, The shaft can be stretched, and it will make a simulated hitting sound when swinging, providing a realistic swing feeling. The golf swing trainer has a contraction length of 38.3cm and a stretch length of 60cm, making it very portable and practical. With ergonomic grip can make the practicer hitting swing more comfortable. Insist on swinging 20-25 times a day, which will effectively improve the technical level of the swing, improve the distance and accuracy of the ball. It isn't limited by space, it can be used indoors and outdoors anytime, anywhere to practice swing. Specifications: Material: Stainless Steel, Resin, Rubber Color: Black Contraction Length: 38.3 cm(Approx.) Stretch Length: 60 cm(Approx.) Airplane Size(LxWxH): 38 x 5 x 5 cm(Approx.) Package Contents: 1x Golf Swing Trainer Please note: Due to manual measurement, there might be a tolerance in the product size. Due to the lighting effects and shooting angles, the color of the item and that shown in the picture might have a nuance.