Includes Free Powerball Carry Case We call the Titan Pro the ‘Rolls Royce’ of Powerballs for a reason. Featuring a precision-built, weighted zinc rotor encompassed by a polished aluminium shell - the exquisite exterior of this Powerball is matched only by the sheer power within. HEAVYWEIGHT ALUMINIUM SHELL - Titan Autostart Pro boasts an oversized military-grade, aluminium shell that ensures for a silky-smooth, ultra-quiet spin performance with absolutely zero vibration and is drop resistant. AUTOSTART ZINC ROTOR - The heavyweight rotor of Titan 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 - Titan Pro can output a force of 27kg and is one of the most powerful hand exercisers in the world. Built for pure strengthening, spinning this Powerball will ensure for powerful upper arm muscles and a strong, solid grip. Something to note: Titan Pro is twice the weight (520g) and 30% larger than our standard 280Hz Powerball models. The sheer power of this Powerball means it is not recommended for rehabilitation purposes.