EnterSports AB Wheel Roller, 6-in-1 Exercise Roller Wheel Kit with Knee Pad, Resistance Bands, Pad Push Up Bars Handles Grips, Perfect Home Gym Equipment for Men Women Abdominal RollerDURABLE&SILENCE This ab rollers is made of high strength stainless steel shaft which can support 600 lbs, 3. 2 width roller with the non slip design let you roll across any surface without wobbling. The handle is covered by foam padding prevent hands from slipping during intense workouts. HUMANIZED DESIGN ABS roller is made out of durable non slip rubber and stainless steel that ensures stability and comfort for your workouts, the ergonomic handles