Hydraulic Hand Grip Strengthener Hand Gripper Adjustable 50-165lbs Grip(Black)

1. Bi-directional hydraulic adjustment
2. Grip distance can be adjusted, using different people use
3. 1-12 grade resistance adjustment
4. Anti-slip and anti-sweat handles, comfortable to hold
5. Use: enhance exercise, relax muscles, relieve hand fatigue
6. Material: nylon + PP + carbon steel
7. Size: about 17 x 18.1cm
8. Weight: about 495g