Description: Help Wrist and Elbow Alignment: This golf swing training aid is designed to help beginners maintain the correct wrist and elbow angles, focusing on the transition zone between backswing and downswing for improved energy directionStrength Enhancements and Ergonomic Design: Specifically crafted to enhance your strength while addressing early release issues, this golf swing trainer is ergonomically designed for optimal performanceAluminum Alloy Construction: Made from sturdy aluminum alloy, this Golf Swing Training Aid is built to last It features a nonslip handle that ensures a strong grip during useAudible Feedback Mechanism: The practical training aid provides an audible "click" sound as feedback to help you identify early release problems in your swing techniquesCompact Size for Versatile Practice: With dimensions of 41cmx4.7cm, this golf swing training aid is great for both indoor and outdoor practice sessions, making it a versatile addition to your golf training accessories Specification: Material: Aluminum Alloy Color: Blue and Black Size Chart: 41cmx4.7cm or 16.14inchx1.85inch Package Includes: 1 Golf Swing Trainer Note: Please allow slightly errors due to manual measurement and different monitors.