1. Rotate to adjust the required strength size, easy to grasp, to meet the use of different people 2. TPR handle, non-slip design, close to the finger 3. Quantity display, can be cleared for repeated use 4. Stainless steel material, wear-resistant, no rust, no breakage 5. Material: stainless steel, TPR, ABS 6. Power supply: contains 1 AA battery 7. Force adjustment: 10-120kg 8. Weight: about 200g
