Weight options Includes a complete set of seven weights (3g, 5g, 7g, 9g, 11g, 13g, and 15g) for adjustments to driver performance. Engineering CNC processed components ensure precise fitting and contribute to improved gameplay accuracy. Compatibility Designed to fit GTGT4 models with seamless compatibility, enabling enhancements to your driver setup. Construction Made from robust ABS material to deliver durable performance under regular course use. Key benefits Seven weight options for swing weight and feel adjustments. accuracy CNC manufacturing for consistent fit and performance. Durable ABS construction for oncourse use. Specifically designed for smooth mounting on GTGT4 models for upgrades. Practical applications Preround tuning: adjust weight to optimize launch, feel, and control for specific course or weather conditions. Fitting sessions: use during club fitting or swing analysis to dial in preferred balance and feedback. Postchange tuning: after switching shafts or changing driver setup, rebalance with appropriate weights to maintain intended performance.