‎5BILLION FITNESS

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ADJUSTABLE RESISTANCE: Hydraulic Power Twister Arm Exerciser can be adjusted from 22lbs to 440lbs,2-20 levels free adjustment for every workout,just need to rotate the knob and you can switch the resistance you prefer.Gradually increase resistance level to achieve muscle strengthening or fat and weight reduction.Adjustable resistance can well be integrated with your training plan,allow you to exercise anywhere at any time without any constraints.
STRONG DURABLE AND HEAVY-DUTY MATERIAL :Made of high-density dual-carbon steel, very strong,not easy to deform and break. The leakproof hydraulic cylinder,which passed 100000 endurance tests,could provide adjustable and stable resistant power, which is much better than traditional spring strength training bars.Safer movement track is good for us and well protects ourselves.This arm strengthening equipment has 440 lbs bearing capacity.