POWER HAND GRIP, 3-5/8" WIDTH BETWEEN HANDLES

Vary the resistance by changing the springsStrengthen hand grip and improve wrist stability with the Power Hand GripMake adjustments to the amount of resistance by changing the springsResistance can be varied from 10 lbs. to 170 lbs. (4.5 to 77kg)Width between handles measures 3-5/8" (9.2cm)