- MATERIAL: Constructed from durable iron with a sleek dark bronze finish, this hinge is designed to resist rust and wear. The built-in spring features a sophisticated black tone for an elegant touch. - SIZE: With an overall length of approximately 5.9 inches (15 cm) and a middle width of 0.9 inches (2.2 cm), this hinge is perfectly sized for various applications. - FUNCTION: This heavy-duty spring hinge provides reliable lid support, preventing lids from slamming shut. It ensures a smooth and controlled opening and closing motion, enhancing safety and convenience. - HOW TO MOUNT: Easily installed with a screwdriver, you can choose to mount a single hinge or a pair (right and left) to your chest, cabinet, or cupboard for optimal performance. Use Scenarios: 1. Ideal for toy chests, this hinge allows children to access their toys safely without the risk of a sudden lid drop. 2. Perfect for kitchen cabinets, it keeps lids open at a comfortable angle, making it easier to retrieve items while cooking. 3. Great for DIY projects, this hinge provides a professional finish and functionality for custom furniture or storage solutions.