Feature:1. It can assist students to perform high-cutting movements at the correct angle to achieve the purpose of training.2. The whistle will make a sound when the whistle is swung to the correct angle (in an L shape).3. The aluminum alloy shaft is sturdy and durable, not easy to damage, and has a long service life.4. The rubber grip is more comfortable and will not be tired even if you hold it for a long time.5. The shaft length is 48cm/18.9in and the inner diameter is 1.1cm/0.4in, which is made to meet your needs.Specification:Item Type: Sound Golf Swing TrainerMaterial: Rubber Grip+Aluminium Alloy ShaftShaft Length: Approx. 48cm/18.9inInner Diameter: Approx. 1.1cm/0.4inFunction: It is another sound-guided equipment besides the ribbon stick; the of his altimeter is to assist students to perform the high-cutting action at the correct angle; in other words, only the swinging whistle is held to the correct angle ( When it is L-shaped), the whistle will make a sound; it triggers the feeling of conquering the whistle of the students Package List:1 x Sound Golf Swing Trainer