PodiuMax Hydraulic Power Twister Arm Strength Exerciser with Counter, 10 Gears Adjustable 22-440 lbs, 5mm Thickened…

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10 Gears Resistances – Easy adjusting the resistance by just rotating the knob, strength ranging from 22 to 440lbs.
Robust Monster – 5mm thickened steel structure, this strength builder can handle up to 440 lbs bearing capacity without even the slightest deformation.
Counts Display – Equipped with a monitor in the middle to count every valid push, to know your limits and break them.
Portable – Rear buckle clipped on and this arm strength exerciser can be easily packed in your backpack, and shape your muscle anywhere.
Safety Comes First – Unlike ordinary spring equipment, the hydraulic power twister rebounds slowly, releases the compressed energy in a safe way and avoids injury.