LOVHO New Patent Cylinder Adjustable Power Twister Arm Exercise with Resistance 10-200KG

What Is The Advantages ? 1.We have patent cylinder, Durable, Safe , Effective, Which more, It is almost mute during working. 2.Although different reisistance , Move distance is the same , Making the arm exercise more effective. 3.Compare With Spring Twist , Cylinder Power Twist Which Strength Of The Rebound is relatively small, making the exercise more safety 4.Adjustable range:【22-440lbs】 
An upgraded version of the arm of a multi-purpose, 20-levels strength adjustment, according to their own training schedule to adjust.Tips for use:After use, arm twister is in open position,Adjust to line leastresistance of 2-level.Keep to be closed.Rotate the Switch from 2-level(22lbs) to 20-level(440lbs) this will let you adjust the resistance which match your ability.It is gradual change of resistance not # level represents #kg.