Product Features CenterMass Technology precisely aligns the accessory to optimize unmatched stability and accuracy in every shot. Optimized Dampener technology, specifically designed to minimize and virtually eliminate felt vibrations on the shot. Lightweight 1/2" carbon rod ensuring durability without compromising maneuverability. Manufactured using premium materials like carbon fiber and aluminum. Two independent 1 oz weights to personalize bow and balance and fine-tune dampening. Compatible with all CenterMass accessories including the Quick Disconnect, Back Bar Mount, and Weight Kit. Sold separately. Designed by Bowtech in Oregon. Assembled in China.