
Hard Material: This hinge is made of high strength sturdy metal, corrosion resistant and durable for long term use. Hidden and Safe Installation: strong bearing capacity, high sturdiness and durability. Easy Installation: The cover hinge is used for side mounting and top mounting, just mark two points to drill holes and screw each mounting screw to the corresponding place. Adjustable Gear: There are five positions to adjust, multi-angle, multi-range. Through gear operation, you can switch the handrail, side, cushion, seat and bed between angle adjustment. Convenient Conversion: Convert sofa to bed, convert armrests and seats. Intimate design, save space. Wide Application: Can be widely used for folding sofas, beds, closet doors, etc. With these adjustable hinges, you can convert your sofa into a single bed and adjust the recliner, sofa, backrest, storage box cover or tatami angle. Or you can DIY your own furniture. Adjustable cabinet hinges are also suitable for most small repairs and