Deluxe Total Core upgraged hot in 2011, OEM welcome. features:1) work out your lower back muscles2) powerful results in just 10 days guaranteed3) easy to use, no matter what your fitness level4) stress free, strain freespecification:material composition: steel, plastic, foam loadingmax weight: 120kgsaccessories: meal plan, DVD, counter, manual, yoga ball, pumpG.W/N. W: 7/6kgsPacking details:1 pcs ...