- Material Quality: Made from durable PP plastic and carbon spring steel wire, this product combines strength and high toughness. It features five stainless steel springs, each providing 174 N of tension, ensuring long-lasting performance with precision coating and rust protection. - Key Benefits: This versatile fitness tool supports the development of chest, back, shoulder, and oblique abdominal muscles. By strengthening your chest, back, waist, and limbs, it helps you achieve a well-defined body shape. - Size Specifications: Dimensions are 66 x 33 cm, with a spring length of 35 cm. Note that sizes may vary slightly due to manual measurements. - Safety Features: Equipped with a high-resistant PP foot cover and a slip-resistant surface design, this product prioritizes safety. The grips are made from soft rubber for added comfort during use. The angled buckle between the grip and spring ensures a secure and reliable connection. - Practical Applications: Ideal for home workouts, rehabilitation exercises, or strength training sessions at the gym. Use it to enhance your workout routine, rehabilitate from injuries, or simply maintain overall muscle tone. - Performance Assurance: With a high-quality steel rod and comfortable grip, this fitness tool is designed for effective muscle engagement and user satisfaction. This product combines practicality with durability, making it an essential addition to your fitness equipment collection.