Universal Fit：Complete kit includes 1 automatic door closer, 4 screws, 1 adjustment rod, and 1 protective gasket, no extra hardware required. Clear step by step instructions make mounting on wood, metal, fire, or security doors effortless. Premium Alloy Construction：Crafted from cold-rolled steel, zinc alloy, and high-grade aluminum, this door closer for interior door resists rust, corrosion, and daily wear. One-piece molding and brushed electroplating, solid material wear-resistant and durable. Smooth & Safe Closing：Upgrade your home or office with this automatic door closer that guarantees every door shuts gently, securely, and quietly every time, no more slammed doors or forgotten open entrances. Optimal Closing Force: This automatic door closer adopts a universal tension design and is highly suitable for the vast majority of doors. It is ready to use out of the package, with stable and reliable performance and no need for adjustment. Quiet & Damage-Free：Integrated hydraulic damping and precision springs minimize noise and impact, protecting both the door frame and the wall. Enjoy a peaceful environment while extending the life of your doors., Weight: 0.661386786 Pounds, Manufacturer: WEELOO