- Original authentic unmatched--- the gold standard for building and testing grip strength
- Designed to produce the quickest gains in grip strength and hand health
- Premium materials proprietary elements precision manufacturing and unrivaled customer support---all from the USA
- Available in 10 strengths for a Savile Row fit whether you are just starting off rehabilitating an injury or can already crack coconuts with your bare hands
- Most popular strengths are the Trainer and No. 1
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