Features: Precisely adjust the height of the golf ball seat to ensure swing consistency. Adjustable golf ball seat height, allowing you to easily find the perfectly swing height. Increase the impact of seat height on swing postures and power, making every swing more precise and stable. Make from ABS, providing great resistant to wear and tear for extended use. Great for beginners and professionals seeking precisions in their game. Helping you make your swing more professional and improve your golf skills. Specifications: Component: ABS Color: White/Black Size: about 7.1x3.3cm/2.8x1.3inch Package Includes: 2pcs Adjustable Golf Tees Height Tool note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.