COVVY Twister Arm Exerciser,Adjustable 22-440lbs Hydraulic Power Exerciser,Shoulder Muscle Training Fitness Equipment,Arm Enhanced Exercise Strengthener for Arm,Biceps,Abdomen,Shoulder

Strong and Sturdy
【Adjustable Resistance】:COVVY twister arm exerciser can easily adjust the force by turning the resistance button, allowing you to customize your workout intensity according to your fitness level.10-200kg stepless adjustment, gradually increase resistance and strengthen self strength training to help you enhance arm strength.
【Strong and Sturdy Material】:Hydraulic power fitness equipment made of high-density thickened double carbon steel and hydraulic cylinder, which passed multiple endurance tests,it ensures that the structure will not deform or break during long-term training,better than traditional spring power twister bar.
【Fully-Enclosed Hydraulic Cylinder】: The core is a fully sealed hydraulic cylinder, which can maintain a stable force. Simple structure, reliable operation,adjustable resistance and is very safe.Fixed arms angle&motion track when adjust resistance, micro-rebound safer than tra spring ones, offer a stable resistance strength won’t weaken over time.
【Stable Triangle Structure】:Our Arm Exercise Equipment have the unique golden ratio triangle stru cture, have a greater load-bearing capacity,exercise is more stable,and improves the safety of the product,more effective for arm/chest workout and bicep/shoulder exercise.
【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.