High-quality construction: Built from heavy-duty steel for a sturdy, high-load-capacity leg bending machine that stands up to demanding leg training. The abrasion-resistant powder coating reduces wear and prevents corrosion on the leg extension attachment. Reliable compatibility and installation: Designed to fit pipes with 16 / 18 / 26 mm holes. Mounting screws and bolts are included for straightforward installation. Note: this fitness accessory can only be mounted on pipes with penetrable holes—please check your equipment before purchasing. Adjustable performance: The leg extension and curl machine (for use while sitting) offers 8 adjustable positions to match different heights and training needs, ensuring a custom fit for each user. Targeted strengthening: The leg strengthening device is made for focused muscle work to build and strengthen leg muscles. Its compact design and easy handling make it suitable for both home and gym use. Multi-area training support: The attachment supports a range of muscle training requirements; the product is described as ideal for strengthening triceps, biceps, chest, shoulder and back muscles in addition to leg work. Practical use scenarios: Home gym upgrade: Attach to an existing bench or upright with compatible holes to add seated leg extensions and curls without replacing larger equipment. Commercial gym or shared facility: Use as a durable, quick-to-install attachment for high-traffic stations where adjustable fit and corrosion resistance matter. Focused training sessions: Add targeted leg work to strength routines or integrate into rehab-oriented sessions where controlled, adjustable resistance and positioning are required. Key specifications at a glance: Material: Heavy-duty steel Finish: Abrasion-resistant powder coating Mounting compatibility: Pipes with 16 / 18 / 26 mm holes Adjustment: 8 positions Included hardware: Mounting screws and bolts Before ordering, confirm that your fitness equipment has penetrable holes of the specified sizes to ensure compatibility.