Adjustable Resistance: The resistance strength of this power twister can be adjusted by rotating the knob,the range is:You don't need to buy new ones when your strength level increases,it applies to any stage of arm strength training enthusiasts.Easily turn the knob left or right,increase or decrease the resistance to meet your needs in different training stages,accompany your entire fitness career.But please choose the intensity that suits you so as to avoid muscle strai. Easy to use and Storage: The bottom 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, very convenient to storage, when opening the package, please hold the handle with both hands, use your index finger to open the buckle, and you can use it. Strong and Sturdy Material : The hydraulic power twister is made of high-density dual-carbon steel, reinforced with a ribbed design, and reinforced with 10 screws. Very metallic, not easy to deform and break. The core is a fully sealed hydraulic cylinder, which has a simple structure, reliable operation, adjustable resistance, and is very safe. It can provide stable resistance strength and will not weaken with the passage of time. Totally enclosed Hydraulic Cylinder: Unlike other spring based exercisers,our power twister adopts totally-enclosed hydraulic cylinder which offers you stable resistance strength,will not weaken over time With unique safe hydraulic adjustment system principle,even if you change the resistance,the opening angle of the arms doesn't change,the motion track aslo doesn't change,so you don't need to change arm movements,and what's more,you can fully open your arm even you reduce the resistance Golden Ratio Triangle Structure: The unique golden ratio triangle structure with 10 reinforcement rivets maks the arm trainer 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.
- 【Adjustable Resistance】Jandecfit power twister arm resistance can be adjusted,the range is:22-440lbs,the resistance strength of this twister arm exerciser can be adjusted by rotating the knob,easily turn the knob left or right,increase or decrease the resistance to meet your needs in different training stages adjust to the suitable resistance as needed to make exercise more effective and avoid muscle strain.
- 【Hydraulic Pressure Protection】Arm muscle training machine uses hydraulic adjustment principle to make chest expander safer and more durable,in contrast, using spring power twister is very dangerous its springback is violent,easy to hurt you;the spring in the middle will easily pinch youself;the spring is prone to break after prolonged use.Please throw away those spring power twister,Try our Arm Forearm Exerciser Chest, which is safe, stable and will not rebound or hurt yourself!
- 【Double Carbon Steel】Our hydraulic arm exerciser 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 fully sealed hydraulic cylinder is safe and durable to provide stable resistance, and will not lose resistance due to long use.
- 【Strength Training】The power twister arm mainly exercises arm muscles, deltoid muscles, biceps, chest muscles, abdominal muscles and back muscles.With the power twister arm exerciser, you can exercise anytime, anywhere in the room, office, easy to store and carry, just a mobile gym to shape your perfect muscles.
- 【Safety,Stability】 The power twister unique golden ratio triangle support will always keep the power twister in a stable state to ensure the safety for using. As a fitness equipment chest expander, it is more competent than others.So whether you are a novice or a veteran,it will be very suitable for you. Perfect After-Sale Service,We will provide a one-year return/replacement service to protect your rights.
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