Ab roller for abdominal Training With Dual Stable Wheels and automatic bounce.

The curve contact surface protects your elbow joints , making it easier for beginners , the elbows are thickened with 8mm pads.The pads are comfortable and non slip resistant .Thickened sponge wraps , stainless steel , comfortable grip , firm grip , increase the control ability of the movement angle , more balanced , more comfortable , safer , more stable and easier exercise. It has the automatic rebound intelligent brake , built in brake function spring assists rebound to be smoother.