MARY LET’S SING Power Twister Double Spring Chest Expander Arm Exerciser for Men Shoulder Bicep Forearm Chest and Arm…

If you used daily, the results will be quick to be noticed, shoulders, arms and abdominals will tone up
The exercise method of this power twister is to hold the non-slip handles on both side, and push to the middle, then repeat this action
Chest front grip – Exercise pectoralis major muscles, hand muscles
Chest reverse grip – Exercise waist, abdominals
Easy to adjust to one’s desired resistance and comfortable to use
Has infinite adjustment between extremes so can cater for all strength abilities
Main uses: Mainly exercise chest strength, arm muscle and other strength training
Suitable for teenagers and adults daily exercises

Specification:
Material: Thick Carbon Steel + Engineering Plastic
Adjustable Range: 10-160kg(Max. 352Ibs)
The widest distance from handle to handle when it open is 28.7″(73cm)
Digital Monitor Function options: Scan Time/Time/Count/RPM/CAL
Select key (white key)
This key is used to select the function to be used.
Instructions:
1.On/Off
Press the white key to start the counter. If you stop using it for 4 minutes, the meter will automatically turn off.
2.Clear
In any state, press and hold the select key for 3 seconds, all function data is cleared to zero.
Product Dimensions: L 23.6″, W 5.5″
Product Weight: 5.6 lbs

Package Includes:
1x The Adjustable Arm Strength Exerciser
Notice:
1. Don’t pull outward with force, otherwise the equipment may be damaged.
2. Please check if the connection parts of the arm exerciser are firm before use.
3. When using, you should choose a relatively spacious place to exercise so as not to hurt others
4. When using, do it evenly

Make sure this fitsby entering your model number.
【Adjustable Resistance】: Very high tech, but also simple in its operation. The resistance can be adjust by rotate the knob, simple and convenient. As you rotate upwards, the resistance strength will increase, and rotate downward, will reduce. The resistance strength of this arm exerciser is from 10 – 160 kgs. Adjust to the suitable resistance as needed to make exercise more effective and avoid muscle strain.
【Intelligent dual dial design】: Electronic measurement design of training intensity, Record and display training time, number of stretches, training frequency and work time, and convert your calorie consumption. Tension meter shows current spring strength realtime.
【Safety & Stability】: The double-spring design keeps the springs of the power twister to be evenly stressed and not deformed during working. The resistance of the power twister is enhanced, and the service life of the springs is extended. The 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.
【Ideal For the Beginner & Professional】: For Beginner: Less than 30kg, For Advanced: 30kg-70kg, For Professional: 80kg-160kg. Great workout for your upper body, chest, shoulders and arms, biceps and triceps.
【Reliable Quality】: The structure of the entire arm exerciser is made of high-density carbon steel, sturdy and durable. Safety protection, non-slip handles and safety ropes are used to protect against accidental falling off. Each power twister will undergo multiple tests to ensure stability and durability, and to maximize your safety and product life.