Upgrade 2-in-1 hydraulic power twister with wheels, adjustable 22-440lbs twister arm exerciser with stretchable handle, home chest expander & ab roller wheel for muscle training

2-in-1 hydraulic power twister: owning our hydraulic training equipment is equal to owning a power twister and an ab roller wheel. when used as a twister arm exerciser, it works the wrists, arms, shoulders, chest, and back. comes with 3 extra wheels that can be assembled into an ab roller wheel to exercise abdominal muscles. 2-in-1 fitness equipment saves money and is practical! (note: the arm twister bar can be directly used even if the wheels are installed with skillful strength.) stretchable handle: our adjustable power twister is made of thickened carbon steel and has 12 adjustable lengths (handle length: 11.2"-15.9"). just loosen the screw - adjust the position - tighten the screw, then you can get a suitable length for your exercise, and also can adapt to your most comfortable width of the ab wheel. the handles are designed with a special texture to provide you with better anti-slip performance. moreover, you can retract the handle to save space when not in use. super easy adjustable resistance: this is our upgraded third-generation power arm twister, with 15 free adjustment levels. 22-440lbs of adjustable resistance is applied to any stage of arm strength training enthusiasts. just easily turn the hydro-cylinder to the left or right to quickly match your strength and meet your needs at different training stages. (note: please warm up in advance and gradually increase the difficulty according to your strength to avoid muscle strain.) fully-enclosed hydraulic cylinder: different from the spring chest exercisers that will break or power weaken after repeated use, our hydraulic arm strength exerciser adopts a fully-enclosed hydraulic cylinder, which can provide you with long-term stable resistance. even if you use it for a long time, you do not have to worry about the strength weaken or leakage of the hydraulic cylinder. the hydraulic adjustment system ensures a safer micro-rebound and ensures that you can enjoy your exercise. all for safer sports: the home chest expander adopts the more scientific golden ratio triangle structure, which makes men chest exerciser more stable than traditional spring arms. even if you change the resistance, the opening angle of the arm doesn't change, and the motion track doesn't change. so you can exercise most muscles without changing your arm movements. if you have any questions, please feel free to contact us, we promise you will get a satisfactory answer within 24 hours.