This one-way swing gate is designed to clearly guide and control the flow of foot traffic. It opens smoothly with a gentle push and automatically returns to the closed position after each use, keeping movement efficient and orderly. Specifications: Material: Stainless Steel, Door Post Diameter: 7.6cm (3in), Door Post Height: 100cm (39 3/8in), Swingarm Height: 30cm (11 4/5in), Width: 50-110cm (19 3/4"-43 1/4") (customizable), Installation Method: Ground. Features: Stainless steel material, waterproof and wear-resistant, easy to install with a small footprint, opens with a light push and automatically closes when leaving, doorpost has a built-in spring device for automatic rebound, one-way traffic design (only in, not out) effectively controls traffic direction, bottom is reinforced with expansion screws for stability. Package Content: Entrance Safety Gate, expansion screws, sticker. Notice: Please allow slight dimension differences due to manual measurement variations. Color may vary slightly from pictures due to lighting and screen settings. Simply push the door to enter, and it will automatically rebound and close; swing arm length can be easily adjusted if needed.