The Power Twister bar allows users to exercise their chest muscles, biceps, triceps, wrists, forearms and shoulders by applying pressure to the grips and slowly bending the bar.

Train your biceps, abdominal, chest and arm muscles!

Features:
* Color: Black
* Material: Spring Steel+ ABS+ Rubber

Specifications(20kg):
* Total length: about 57cm
* Spring length: 23cm
* Diameter of spring:about 2.5cm
*Length of grip: 9.5cm
* Item weight class: 20KG
* Weight: about 1100g

Specifications(30kg):
* Total length: about 57cm
* Spring length: 24cm
* Diameter of spring:about 3.5cm
*Length of grip: 9.5cm
* Item weight class: 30KG
* Weight: about 1300g

Specifications(40kg):
* Total length: about 61cm
* Spring length: 25.5cm
* Diameter of spring:about 4cm
*Length of grip: 9.5cm
* Item weight class: 40KG
* Weight: about 1500g