DOBEN Professioinal Power Twister - Flexi Rod - Heavy Duty Spring Chest Expander for Shoulder, Arms and Chest Exercises, Upper Body Training, Forearm Exerciser, Arm Trainer Device

• Tension size: 20kg, 30kg, 40kg, 50kg, 60kg, 5 size available for you choose, DOBEN original brand
• Materials: Premium quality carbon steel springs and anti-slip ABS plastic handle
• Easy to carry, convenient to exercise in office, school, home, travel,etc
• Flexi rods are great for arm, shoulder and chest exercises, perfect for building strength in the upper body
• Warm Prompt: You need to choose the dimension according to your Physical condition / muscle level, we can guarantee the item quality for you, but cannot guarantee everyone is Stallone, Schwarzenegger, Hulk.

DOBEN Professional Power Twister - Flexi Rod - Heavy Duty Spring Chest Expander for Shoulder, Arms and Chest Exercises, Upper Body Training, Forearm Exerciser, Arm Trainer Device Suitable for professional use at home, gym, school, travel etc. The steel spring has a thickness of approx: 5mm (20kg)---Beginner / Kid / Lady 6mm (30kg)---Intermediate / Most Adults 6.5mm (40kg)---Training frequently users / Sports man 7mm (50kg)---Prefessional / Athlete 7.5mm (60kg)---Expert / Stallone / Schwarzenegger / Hulk Equipped with Nylon safety straps, more safer Optimal training device for the daily workout Flexi rods are great for arm, shoulder and chest exercises, perfect for building strength in the upper body Note: Please use it with safety straps, With fitness gloves is better Child must be under the supervision of the Adult to use it! Warm up your body before traing with it is very important to avoid the training injury. 100% quality guarantee, any quality problem, please contact us, we will help you to solve it immediately. Warm Prompt: You need to choose the dimension according to your Physical condition / Muscle level, this is really important. We can guarantee the item quality for each of you, but cannot guarantee all of you is Stallone, Schwarzenegger, Hulk. Package includes: 1 x Power Twister