# Heavy Duty Iron Spring Positioning Hinge
This high-performance hinge integrates 90° locking and auto-close functions to provide ultra-smooth, convenient door operation, perfect for both residential and commercial furniture hardware upgrades.
### Core Advantages:
🔹 **90° Stable Locking**: Crafted from thickened top-quality iron, the hinge securely locks your door at 90° opening angle, eliminating the need for extra door stoppers. It offers full hands-free access when you transport items or move through the doorway, greatly improving your daily efficiency.
🔹 **Automatic Rebound Closing System**: Equipped with a high-resilience internal iron spring, it will automatically close the door completely when the opening angle is under 90°. It effectively solves the problem of forgetting to close doors, safeguards your personal privacy and prevents small pets, flies and mosquitoes from entering your space.
🔹 **Durable Anti-Rust Performance**: All iron parts are fully galvanized with scratch and corrosion resistant surface treatment. It resists rust, deformation and damage even after long-term daily use, significantly prolonging its lifespan and reducing your subsequent maintenance costs.
🔹 **High Weight Capacity**: The solid heavy-duty iron construction with reinforced integrated design offers exceptional supporting performance. It keeps doors stable without sagging or getting stuck, ensuring years of smooth, noiseless opening and closing experience.
🔹 **Fast DIY Installation**: Pre-drilled mounting holes and included matching screws make it compatible with most standard door thicknesses, no extra cutting or processing needed. Even inexperienced users can install it quickly by themselves, saving you the cost of hiring a professional installer.
### Product Specifications:
Category: Door & Furniture Hardware Hinges
Main Material: Iron
Dimension: As displayed in pictures (1 inch = 2.54cm)
Color: As displayed in pictures
Suitable Scenarios: Home interior doors, cabinet doors, office doors, wardrobe doors, cupboard doors and other furniture installation needs
Package Content: 1 x Hinge + matching mounting screws
### Warm Tips:
1. Please note the images do not show the actual size, please refer to the product description for specific size details.
2. Please allow slight deviation due to manual measurement, we appreciate your kind understanding.
3. The actual color of the product may differ slightly from the images due to variations in monitor settings.
The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.