Power up your grip with the DFX Powerball IRON Forearm Muscle Builder—a compact gyroscopic trainer designed for athletes who demand serious forearm, wrist, and grip development.

From climbers to MMA fighters, this portable device delivers progressive resistance and ultra-smooth motion you can feel in every spin—training you to hold on longer and push harder, wherever you go.

Key Features & Design

• High-Performance Resistance: Spins up to 16,000 RPM and delivers 50-60 lbs of progressive gyroscopic resistance that increases with speed.
• Targeted Muscle Development: Builds grip strength, wrist endurance, and forearm power for advanced users and serious athletes.
• Ultra-Smooth Motion: Provides continuous, fluid resistance for consistent muscle engagement and strength gains.
• Durable, Stylish Design: Precision-crafted with a polished metal finish and compact form for portability and visual appeal.
• Ready to Use: Includes a protective carrying case and starter string for quick activation right out of the box.

Note: this product is not compatible with the Gyroscope Speed Meter.

Specifications

• Model number: 60196
• UPC code: 732133960196
• Package dimensions: 9 x 6 polybag
• Package weight: 2lbs