RMT Club Durable, Flexible Club Head to Absorb High Impact Strong Handle to Withstand High Intensity Swings in Multiple Directions Internal Shifting Weight for Dynamic Resistance, Audible Feedback General & Sport Specific (Golf, Baseball, Tennis, Etc.) Training & Exercises Multiple Weight Options: 2, 4, 6, 8 pounds. <span class="a-text-bold">Fixed Reinforced Handle</span>- giving it the ability to connect multi-directional movement and increased range of motion <span class="a-text-bold">Internal Shifting Weight</span>- giving it the ability to create dynamic resistance, act as a counter weight, or provide audible feedback for proper positioning, timing, and, coordination <span class="a-text-bold">Durable Flexible Club Head</span>- giving it the ability to absorb maximum impact