- Durable Construction: Crafted from high-quality steel and equipped with soft, wear-resistant foam rollers, this leg curling machine offers exceptional stability and a high load capacity. Experience comfortable, efficient workouts thanks to the extra-thick foam pad. - Versatile Compatibility: Designed with 16/18/26mm holes, this leg extension machine is easy to install on various gym frames. It comes with bolts and mounting screws for safe and quick assembly. Ensure compatibility with your fitness equipment by checking the hole diameter before purchasing. - Adjustable for All Users: The seated leg extension and curling machine features 8 height adjustments, making it suitable for users of all sizes. Adapt your workout to meet specific training needs, whether sitting or standing, targeting different leg muscle groups. - Space-Efficient Design: This compact leg extension attachment is designed to maximize your workout space. Focus on isolating specific muscle groups without sacrificing room in your home gym or fitness studio. - Practical Use Cases: Ideal for rehabilitation exercises, strength training, or enhancing athletic performance. Use this machine in your routine to build leg strength, improve flexibility, or as part of a comprehensive leg workout regimen.