Manogyam Ab Roller & Double Toning Tube for ab exercises for men / women strengthen and tone your abs, shoulders, arms, and back. The unit teams up a pair of non skid Ab Roller and two easy-grip handles. To use, simply get on all fours, grab hold of the handles, and glide the wheels back and forth across the floor. At various points during the exercise, you'll work every major upper body muscle group as your torso adjusts to the movements. Cushioned rubber foam grips for a comfortable grip. Strengthen and tone abs, shoulder, arms and back. Ab Roller with Toning Tube For Home Gym Combo Gym & Fitness Kit