Spring Chest Expander,Multi Functional Fitness Chest Developer with 5 Metal Spring,Arm Exerciser,Upper Body Strength Training Machine with Buckle Design ,Comfortable and Non Slip,Easy to Install,Suitable for Training, Home,Gym,Exercise

• Five adjustable levels: suitable for a variety of people, freely adjustable between 18-90 pounds, with 5 tubes (pulling force of about 90 pounds), suitable for men's fitness, weight loss, and muscle building. 3 tubes (with a tensile strength of about 54 pounds), suitable for women and teenagers to exercise. 2 tubes (with a tensile strength of about 36 pounds), suitable for elementary school students to exercise and strengthen their physique. • Anti slip handle: The product is made of high-quality PP+TPR material. The high elasticity TPR latex tube of the chest tensioner has long-lasting elasticity and is not easily deformed. It can withstand a tensile force of about 9 pounds and is durable and not easy to break The surface of the handle has a concave convex anti slip texture, which effectively prevents slipping and refuses to be taken off, avoiding upper injuries. • Security upgrade: New buckle design, securely locked and not easily dislodged. Gently press to disassemble and easily adjust exercise intensity • Easy to install: Free to disassemble, a great helper for home fitness, easy to install, wraps around your fitness equipment, detachable for storage and cleaning • Whole body training solution: targeting multiple muscle groups, including arms, chest, back, and core, to achieve a complete exercise experience.