MIRRORED STEEL SHELL – The Powerball Diablo Autostart Pro  features a chrome, mirrored-steel shell which feels perfectly cool and weighted in your hand. 10% smaller than standard Powerball gyroscope models, The Powerball Diablo is ideal for smaller hands.

AUTOSTART ZINC ROTOR – The heavyweight rotor of the Powerball Diablo Autostart Pro is made of solid zinc and can spin at speeds of up to 20,000rpm. Automatic starting for quick activation (no strings needed).

PURE STRENGTHENING – Despite its delicate appearance, the Powerball Diablo Autostart Pro  is a robust and hardy exerciser that can output a force of 27kg. Built for pure strengthening, spinning this Powerball will ensure for powerful upper arm muscles and a strong, solid grip.

Something to note: Diablo Pro is 10% smaller than our standard 280Hz Powerball models. The sheer power of this Powerball means it is not recommended for rehabilitation purposes.