High Quality: Elastic high strength spring, durable. With steel coil pull-up bar and high density anti-slip PU handle, very effective to build your body Multi-function: Tummy Trimmer - Ideal for toning & strengthening stomach, waist and legs, hips, thighs. Hand Gripper – Strengthen power in fingers and arms. Chest Expander - Building your pectoral muscle, latissimus dorsi, shoulder, and triceps. Easy to Install: Just install it within a minute and you could enjoy your workout!