Conditioning and strength--endurance.
The bold, new way to train, Zenith is designed for strong and healthy hands in the 21st century.
Zenith 1: If you do your work sets with a Captains of Crush No. 1, this is where we recommend you begin with Zenith grippers. It will be easier to close than a CoC No. 1, and that's by design.
No. 1476 (1 lb.) Zenith 1 $25.95