The workout roller features a textured non-slip ab roller wheel that grips any floor surface firmly. Comfortable soft foam grip to prevent the palms sweat sliding, Metal Shaft that can hold weight in excess of 450lbs.Just unpack, insert the handle into the wheels and slide extra grip on. Take it apart to fold flat for traveling; Contact us any time if you have any question(s) regarding the assembly or use of the ab wheel, and you also could check the assembly video firstly.If you want to save money on a gym membership or need to fit in a fast workout, our ab work out equipment is the ideal gym equipment for home! The non-slip rubber wheel roller securely grips any floor type, and the handles have soft padding for total comfort. It is the perfect training equipment for your home gym!The ab wheel is made of strong stainless steel, TPR and durable ABS to ensure it withstands even the most intense workout sessions. Single Wheel for advanced stability training, foot pedal provides intense workout versatility . Place hands shoulder width apart or feet in stirrups to more exercise options; Adjustable and secure foot straps and stirrups for quick on/off ; Simultaneously work up to 20 muscles in your entire body .Ab Wheel Roller is an essential piece of equipment to help you isolate and tone your abs. The rolling action of the Ab Wheel Roller trains both the upper and lower abdominal walls to give you a more complete abdominal workout than crunches or sit ups alone. Quickly build muscle and sculpt your upper and lower abdominals, obliques, arms, shoulders, core & back; Increase balance, coordination, and stamina while strengthening core, upper and lower body.