Features: Elegant Concealed Construction: Built from premium stainless substance, these L shaped rotation hinges feature a subtle appearance that blends seamlessly with modern doors. Smooth Quiet action: Engineered to reduce sound, these hinges deliver nearly noiseless door movement, ideal for bedrooms and study areas where peace is valued. Heavy Duty Load Capacity: The stainless construction provides strong support for substantial doors including main entries and balcony doors, preventing sagging or warping over time. Adjustable Installation: The rotation structure allows multiple position adjustments for customized door openings,. Oxidation Resistant & Long Lasting: With excellent resistance to moisture, these hinges maintain quality in humid conditions, well suited for coastal regions or high humidity environments. Specifications: Substance: Stainless steel, with excellent oxidation resistance and strength, ensuring product durability and stability. Craftsmanship: accuracy manufacturing technology is used to secure smooth action and long service life of the hinge. Dimensions: Suitable for L door panel structure, the specific dimensions are as shown in the figure. Practicality: Suitable for door installation in various home decoration styles, especially suitable for occasions where hidden hinges are required to keep the door clean, providing a seamless opening and closing experience while ensuring the stability and safety of the door. Package Includes: L type universe rotating shaft invisible hinge×1 note: Before using the accessory, please check if it is compatible. Pay attention to the storage methods.