Xximos 1Pack Stainless Steel Door Closer Hydraulic Heavy Duty Automatic Hydraulic Automatically Closes

name: automatic door closer stainless steel, Silent Spring Concealed Automatic Door Closing Hinge, Sliding door fire door closing artifact, Spring without punching ​Applications: Plastic steel door/anti-theft door, wooden door, aluminum alloy door, steel door, iron door, fire door, glass door, hotel door, etc. Doors that are too light and thin cannot be used.  ​Material: High-quality aluminum alloy material. ​Color: Silver ​SKU: Alloy door closer: 24.87.57.5cm automatic door closer: Total Rod Length: 193mm Adjustable swing arm length: 175mm Buckle length: 43mm ​function: 1. Electroplating and painting, die-casting shell, high carbon steel gear, double hydraulic speed regulation. 2. The elastic strength of the door closer can be adjusted, which can close the door silently, cushion and prevent hands from being pinched. 3. Exquisite workmanship. Good anti-rust performance, corrosion resistance, solid overall, anti-stamping without deformation, no oil leakage. 4. Two-stage speed regulation. Use it flexibly, and control the closing speed by yourself. One stage speed regulation: door lock speed regulation. Two-stage speed: door closing speed adjustment. 5. Smooth and flexible. Firm and unbreakable, stable performance, the pull rod rotates smoothly, and the door closer is normal, stable and durable. 6. Stabilizing rivets. The rivet connection is firm and durable. 7. High-quality spring, full of endurance and tenacity. 8. The gear shaft steel is hard and durable. 9. The shell is wear-resistant, oxidation-resistant, heat-resistant and cold-resistant. 10. Easy to install. It is suitable for different door frames and can be adjusted according to the needs of the door, making installation more convenient.