Features: 100% brand new and high quality. 3 In 1 Multifunctional Chest Expander, Detachable, Portable Durable and lightweight. Great for chest pulls and lateral raises. Multi-function with different ways to exercise with. Multi-function handles also work as hand gripper. Spring Size: About 38cm/14.96inch Total Length: About 66cm/25.98inch Material: Plastic + Spring Steel Wire Spring Quantity: 5 Spring (Detachable) Tension: 147N Each Spring, Total 735N What's in the box 1 x Multi-functional Detachable Muscle Exercise Equipment