Spring Hand Grip Strengthener

Practice repeated squeezes with this foam-handled spring gripper, sized for a gym bag or desk drawer.

Details

• Steel-wire spring with foam-covered handles.
• Listed dimensions: 4.5 × 3.6 in.
• Compact manual grip-training design; resistance value is not supplied.
• Use within a comfortable range and stop if painful.
• The source's claims about expanding carpal bones, preventing carpal tunnel syndrome and treating injuries are unsupported; this listing makes no such medical claim.