[Adjustable Hydraulic Resistance from 22 to 440LBS]: This twister arm trainer features an upgraded hydraulic cylinder that allows you to adjust resistance freely from 22lbs up to 440lbs. Simply rotate the cylinder handle to find the perfect strength for beginners or pros. Build your home gym. [Adjustable Arm Length Fits All Body Types]: The arm length of the arm trainer can be adjusted to accommodate users of different sizes, making it ideal for both men and women. Shorten or extend it to increase workout variety and maintain proper form every time. [Golden Ratio Triangle Structure]: Built with a reinforced triangular center structure and double-layer steel tubes, this chest workout equipment stays stable during intense training. The premium titanium steel build ensures durability and long-lasting performance. [3-in-1 Training Tool - Ab Wheel & Resistance Band Compatible]: Equipped with 3 detachable wheels and elastic band hooks, this twister arm trainer can easily tr