General description FLITI Heavy Duty Door Hinges are designed for various types of doors, including built-in wooden doors, making them suitable for both household and commercial use. These hinges are ideal for fixing room doors, entrance doors, bedroom doors, garden doors, fire doors, furniture doors, and tool boxes. Made from 304 stainless steel, they are corrosion-resistant and durable, ensuring long-lasting performance. Technical specifications Material: 304 stainless steel Size: 4 inches thick Rotation: 315 degrees Package contents: 2 stainless steel hinge connectors, 16 screws Installation Easy installation on the door edge Includes screws for a tight fit Usage Suitable for various door types and styles Enhances aesthetics while providing strong support Reduces noise and ensures smooth operation Other information Designed with scientific positioning holes and fixed shafts for weight balance 8-hole design for even load distribution