Chest Exerciser, Twister Arm Adjustable Torsion Fitness Machine, 10 200kg Hydraulic Power, Shoulder Exercise Machine for Chest, Biceps, Abdomen, and Muscle Strength Training

【Strong and Sturdy Material】Our hydraulic fitness equipment is made of high-density double carbon steel, engineering plastics and hydraulic cylinder, which passed 100000 endurance tests, won't easily be deformed and broken. The core is a fully sealed hydraulic cylinder, which has a simple structure, reliable operation, adjustable resistance, and is very safe. The exercise arm strength can provide stable resistance strength and will not weaken with the passage of time. 【Adjustable Resistance】The strength twist arm exerciser can adjust different resistance by turning the resistance button, which is more humanized than the traditional spring arm strength device. By turning the knob left and right, 10~200kg stepless adjustment. Gradually increase resistance and strengthen self-strength training to achieve the purpose of muscle strengthening to meet your needs at all different training stages.  【Golden Ratio Triangle Structure】The unique golden ratio triangle structure with 10 reinforcement rivets maks the adjustable hydraulic more load-bearing capacity, always keep it in a stable state, ensure the safety for using. So whether you are a novice or a veteran, it will be very suitable for you. Perfect for exercising your wrists, arms, shoulders, chest and back at the same time, developing your grip, building strength on your fingers, wrists, and increasing the muscle strength of the upper body.  【Easy to Use and Storage】The bottom on the hydraulic twister arm exerciser made of ergonomic PU handle, which is wear-resistant and non-slip, and has a comfortable grip. There is a buckle on the bottom of the handle allows for easy storage and portability. After exercising, please rotate the adjustment knob to the lowest level, and then lock the handle with a buckle. The locked strength training device will take up a small space. Please hold the handles with both hands when take away the buckle in case hurt by bounce handles.  【Various Fitness Programs】This power twister benefits from a micro-rebound mechanism, providing safer usage by avoiding impact rebounds - for steady, controlled strength training. Adjustable strength twister can help you exercise chest muscles, abdominal muscles, arm muscles, back muscles, bicep, shoulder, without worrying about twisting, because exercise is a step-by-step process.