- High Quality Materials - Leg curl extension machine is crafted from heavy-duty steel to ensure a sturdy, stable construction with a high load capacity suitable for demanding leg training. - An abrasion-resistant powder coating provides corrosion resistance and lasting durability. - High Adaptability - Fits under with 16, 18, or 26 mm holes. - Mounting screws and bolts are included for easy installation. - This fitness equipment accessory can only be mounted on pipes that have penetrable holes; please check your fitness equipment before purchasing. - Compatibility - Seated leg extension and curl machine offers 8 adjustable positions to fit different body sizes and training requirements. - Suitable for strengthening multiple muscle groups, including triceps, biceps, chest, shoulders, and back. - Leg Strengthening Device - Designed for targeted training of leg muscle groups, making it an effective tool for building and strengthening the legs. - The compact design and simple use make it suitable for both home and gym environments. - Use Scenarios - Home gym setup: mount on compatible pipework to perform seated leg extension and curl movements, enabling focused leg work without bulky equipment. - Gym or studio: install on existing pipe systems to provide a flexible, adjustable leg extension/curl station for multiple users. - Progressive training: use the 8 adjustable positions to tailor resistance and fit for different leg lengths and training goals during leg extension and curl exercises.