Vary the resistance by changing the springs.

• Strengthen hand grip and improve wrist stability.
• Make adjustments to the amount of resistance by changing the springs and pin placement.
• Resistance can be varied from 10 lbs. to 170 lbs. (4.5 to 77kg).
• Resistance levels on side of grip.
• Great for home program.
• Width between handles measures 3-5/8" (9.2cm).