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
