HighFree Chest Arm Expander Hand Gripper Arm Pull Bar Weight Exerciser with 5 Springs Adjustable Arm Strength Trainer

More Details: The springs can be freely disassembled according to your preference, but it is recommended not to have less than three springs. Easy to carry and store. You could choose to exercise anywhere, including home office, etc,. Specifications : Material: stainless carbon steel wire spring & plastic handle; Size: Total length 65cm Max Expand Length: 120cm Weight: 780g Each spring tension is about 147N, 5 total 735N The advantages of using a chest arm expander are: - Biceps is a muscle with two muscular heads whose main function is bending the arm. - When flexing the arm, another muscle, the upper arm, is also used. - The upper arm can be fully exercised only when performing forearm lifting exercises. - In addition, the major flexor muscles in the upper forearm are also involved in flexion arm movement, and the flexors are strengthened by the side tension of the tensioner. Package include: 1 x Chest Expander with 5 Springs