PERFORMANCE TECHNOLOGY: Fiberglass Blades: Delivers dynamic resistance to build shoulder stability and strength Ergonomic Grip Handle: Designed for comfort and secure gripping Compact and Portable: Three-piece design breaks down easily for transportation and storage Perfect for Youth Athletes: 47.25-inch size and 1.3lb weight tailored for younger athletes Built-in, thumbscrews allow for quick assembly and breakdown, fitting conveniently into a standard bat bag for easy transport and storage Vibration and oscillation promote controlled shoulder movements, ensuring that athletes are properly warmed-up and game ready ADDITIONAL DETAILS: Digital Training Guide Included: Offers warm-up and recovery drills to guide your training