Grow Six Packs Faster & Safer: This abs wheel targets your abdominals, hip flexors and back muscles. With dedicated practice, this exercise wheel will speed up your core & low back strengthening while lessoning your risk of muscle injury. Grow Six Packs Faster & Safer: This abs wheel targets your abdominals, hip flexors and back muscles. With dedicated practice, this exercise wheel will speed up your core & low back strengthening while lessoning your risk of muscle injury. Grow Six Packs Faster & Safer: This abs wheel targets your abdominals, hip flexors and back muscles. With dedicated practice, this exercise wheel will speed up your core & low back strengthening while lessoning your risk of muscle injury. Amazingly Durable & Stable: This high-strength stainless steel shaft of the ab roller for abs workout can hold a maximum weight of 500 pounds for your safety. The 3.2 inch ultra-wide abs roller ensures balance and stability as it does not deviate sideways. Rubber cotton handles provide nonslip and comfortable grip Amazingly Durable & Stable: This high-strength stainless steel shaft of the ab roller for abs workout can hold a maximum weight of 500 pounds for your safety. The 3.2 inch ultra-wide abs roller ensures balance and stability as it does not deviate sideways. Rubber cotton handles provide nonslip and comfortable grip