Material: Made of reinforced carbon steel wire, durable, not easy to deform wooden handle, yellow solid wood, curved design, appearance, comfortable grip.Features: Bold buckle, safe to use, detachable spring, 5 high-strength carbon steel wire springs,according to personal needs.full tension, one-piece steel ring, and safe, beautiful and practical.It can help the chest muscles, back muscles, deltoid muscles, and oblique muscles to strengthen the muscles of the chest, back, waist and limbs, and shape the body.Colour:SilverMaterial:Metal + wooden handleSize:55x13cmPackage Contents:1*Spring Chest ExpanderOnly the above package content, other are not included.Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +- 1-3cm.