Feature: 1. Mainly used to control the strength of practitioners, when the user's force reaches certain angle, impact bar makes sound, sounds different at different angles. 2. Rubber metal baking varnish and plastic material, sturdy and durable. 3. Used to improve grip strength and swing way, more suitable for golf beginners and professional golfers. 4. Head has a force adjustable, you can adjust the swing power according to your own requirements. 5. Weight sufficient meet for your strength training, deepening your memory of muscle swing training, allowing you to complete each swing perfectly. Specification: Condition: 100% Brand New Item Type: Golf Swing Practice Stick Optional Model: Standard, Professional Material: Rubber Metal Baking Varnish + Plastic Color: Standard Black, Professional Red Weight: Approx. Standard(0.94KG), Professional(1.23KG) Standard Length: Approx. 94cm/37.01inch Professional Length: Approx. 99cm/38.98inch Package List: 1 x Golf Swing Practice Stick1 x Golf Swing Practice Stick Head