Double non-skid rubber wheels for stability slides across any surface without slipping. This design provides more stability than a single wheel.

The handle is made of stainless steel, strong and durable, which can load bearing 550 lb.

The surface of the handles is covered with nature rubber, non-slip and comfortable to the touch.

The knee pad is made from high density EVA foam to provide maximum protection and comfort for your knees.

Install one handle to the steel pipe.

Thread the semi-assembled steel shaft through the first ab roller.

Thread the steel shaft through the second ab roller.

Install the other handle to the pipe.

A strong core will help you perform a long list of daily movements with greater ease and a reduced risk of injury. It can support up to 550 lb.

Each repetition of exercise works various muscles targeting your abs, hip flexors, shoulders, and back.

It works your muscles and joints effectively and helps with overall body exercise and weight loss.

It's the best gift for your family and friends.