DFX Powerball: IRON Forearm muscle builder

Gyroscopic Forearm Muscle Builder Powerball Iron Series Engineered for those who demand more from their training, the Powerball Iron Series delivers elite-level grip strength, wrist endurance, and forearm development in a compact, precision-crafted device. Ready for Serious Training Includes a sleek protective carrying case and a starter string for quick, effortless activation—ready to go right out of the box.Note: Not compatible with Gyroscope Speedmeter. Maximum Resistance & Smooth Performance Capable of spinning up to 16,000 RPM, it generates 50–60 lbs of dynamic gyroscopic resistance. The ultra-smooth motion offers continuous challenge for your grip, wrist, and forearm muscles—ideal for athletes seeking measurable strength gains. Stylish & Functional Design Its polished metal finish and compact form make the Powerball Iron a standout, whether on your desk, gym bag, or training station. The faster you spin, the harder it pushes back, providing progressive resistance tailo