Robert Baraban Thunder Ball 3" Increase Hand Wrist Grip Strength
Robert Baraban Thunder Ball.
A new and unique way to work your fingers and test your grip strength
3 inch hollow steel ball
Smooth surface, nothing to grip...really tests finger strength.
Use a carabiner to attach the Thunder Ball to a pulley machine.
Or use a carabiner and chain to attach the Thunder Ball to a weight plate.
Tough Powder coated finish
Carabiner and chain NOT included
We Also Recommend
Robert Baraban Deluxe Adjustable Hand Gripper 50/500lbs with Negative Rep Handle
Robert Baraban Negative Rep Handle Attachment Fits Most Hand Grippers NEW
Robert Baraban Pinch Grip Converter Turn any Hand Gripper into a Thumb Trainer