Punch-Free Automatic Door Closer – BIG SIZE
- Tired of doors slamming or staying open? Our BIG SIZE Punch-Free Automatic Sensor Door Closer is the ultimate solution for heavy doors that need a reliable, automatic close. Whether for your home, office, or commercial space, this robust closer combines powerful tension with a hassle-free installation process.
Why Choose Our BIG SIZE Door Closer?
- Standard closers often fail on heavier doors. This “BIG SIZE” model is engineered with a high-tension spring and a reinforced steel cable to handle the weight and force required for larger doors, ensuring long-lasting performance without wear and tear .
Product Specifications:
- Material: High-quality ABS plastic body with anti-rust Stainless Steel/Aluminum alloy components .
- Tensile Strength: 1000g / 800g (High Tension for BIG SIZE/Heavy Doors) .
- Cable Length: Approx. 1.2 meters (Adjustable) .
- Color: Black / White (as per your variant).
- Installation: Self-Adhesive (Glue) + Screw-in options included .
Key Features:
- BIG SIZE Heavy-Duty Design: Specifically designed for larger and heavier doors (iron doors, security doors, wooden main doors) where standard closers lack sufficient pulling power .
- Powerful 1000g Tensile Strength: Equipped with a high-quality steel wire rope that has passed thousands of tensile and rebound tests, ensuring reliable and durable closure force .
- 100% Punch-Free Installation: Comes with strong industrial adhesive stickers. Simply clean the surface, stick, and let sit for 24 hours for maximum bond. Removes cleanly without damaging surfaces .
- Dual Installation Options: Includes screws for permanent mounting on wood or walls, offering flexibility based on your door type .
- Quiet & Smooth Operation: Engineered to close doors gently but firmly, reducing noise and preventing door slamming .
- Universal Application: Suitable for a wide range of doors, including screen doors, sliding double doors, aluminum glass doors, iron doors, interior doors, and bathroom doors .
- Adjustable & Detachable: Features an adjustable wire buckle and small copper tube design to prevent wire rolling. You can also detach the wire when you need the door to stay open temporarily .
How to Install:
- Clean the door and frame surface thoroughly.
- Attach the adhesive sticker to the door closer and press firmly.
- Mount the hook sticker on the door frame using the provided adhesive or screws .
- Hang the steel wire rope on the hook and adjust the length using the Allen key .
- For best adhesion, wait 24 hours before regular use .
Note: Not suitable for doors with high friction (e.g., carpets) .













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