Powerball The Big Titan Autostart, gyroscope hand trainer for big hands including winding mechanism and tachometer, aluminum-silver, the original from Kernpower.

["The Big Titan is larger than the \"regular\" Powerballs with its diameter of Ø 3.23 inches and is equipped with the patented Autostart function and digital tachometer","High quality and sturdy: Tough aluminum casing, heavyweight rotor, approx. 1.06 lbs weight and resistance up to 48.5 lbs","Stable and quiet: Thanks to the \"Stability Control System\", the rotation of the rotor is very smooth and nearly free of any vibrations.","Trains fingers, wrists, shoulders, lower and upper arms. Training effect reaches deep muscles. Increases finger grip strength and coordination.","Package includes: Powerball The Big Titan Autostart and exercise manual"]