General description These 4 pieces of invisible hinges are designed for cabinet doors, offering 90/180 degree folding capabilities. Made from quality cold-rolled steel, they are strong, durable, and rust-proof, ensuring a long service life. These hinges help you easily organize your furniture, save space, and maintain order. Technical specifications Material: Cold-rolled steel, double-plated with copper and nickel Support weight: Up to 10 kilograms Hinge types: 90 degree and 180 degree Included: 4 hinges and 16 screws Installation Can be installed as half hinges or full hinges without drilling holes Installation should begin after determining the method and marking the position Easy to install, remove, and replace Usage Suitable for kitchen cabinets, cupboards, TV stands, bookcases, wine cabinets, and more Can be used for both upward-opening and downward-opening cabinet doors Ideal for wardrobe doors, bookshelves, tatami or folding table supports, and inset cabinet hinges