1. ConstructionOur leg curl extension machine is built from robust steel to ensure exceptional stability and durability during intense leg workouts. The wearresistant powder coating protects against corrosion, while the vinylcoated foam roller pads are designed to withstand wear and resist moisture. 2. Versatile CompatibilityThis leg extension machine is compatible with 16/18/26mm tube holes and comes with mounting screws and bolts for easy installation. 3. Adjustable PositionsFeaturing 8 adjustable settings, this seated leg extension and curl machine accommodates various body sizes and workout preferences. It's perfect for strengthening multiple muscle groups, including triceps, biceps, chest, shoulders, and back. 4. Targeted Leg TrainingSpecially designed for focused muscle group training, our leg strengthening equipment effectively builds and enhances leg power. Its compact size makes it ideal for home and gym use.