Adjustable hydraulic arm twister, weight range 10-100kg, home gym equipment, powerful muscle builder for bigger biceps and stronger chest, 2-in-1 hydraulic arm twister

【PS】: Chromatic Aberration Controversy: 1.Because of different camera lens and light environments, the real item color which you receive maybe little vary from the listing picture. I sincerely hope that you can understand! Thank you! 【Size】: 1.The product size is measured manually, there will be a little error, but it is within the normal range. 2.The size of the product is manually measured. Due to different measuring methods, there will be an error of 1-3cm. If you cannot confirm it, please check the listing again. • 【Adjustable Resistance】Rotating the knob to easily adjust the resistance, rang 10-100kg free adjustment. Just rotating the knob, resistance can be adjusted, faster than car shifting. • 【Durable Material】Double-layer steel tube is firm and durable. The material is strong and more realistic. The training machine has 440 lbs bearing capacity. • 【Stable Triangle Structure】Stable triangle center design makes the exercise more stable, which is a safer and more scientific structure. • 【Safe Fitness】 Professional micro-rebound and refuse to take profiteering rebound. Completely solve the safety hazard for safe fitness with no hurt and safe micro-rebound. • 【Easy Storage】The buckle of the handle's bottom is easy to store and convenient to carry. The user-friendly designed rear buckle can be fixed after folding.