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

Train your biceps, abdominal, chest and arm muscles!

Features:

*Color: Black

* Material: SpringSteel+ ABS+ Rubber

Specifications(20kg):

* Total length: about57cm

* Spring length:23cm

* Diameter of spring:about2.5cm
*Length of grip: 9.5cm

* Item weightclass: 20KG

*Weight: about 1100g

Specifications(30kg):

* Total length: about57cm

* Spring length:24cm

* Diameter of spring:about3.5cm
*Length of grip: 9.5cm

* Item weight class:30KG

*Weight: about 1300g

Specifications(40kg):

* Total length: about61cm

* Spring length:25.5cm

* Diameter of spring:about4cm
*Length of grip: 9.5cm

* Item weight class:40KG

* Weight: about 1500g