Note: Expanded size: 16.5mm Size folded: 68 x 68 mm/2.68 x 2.68 inches. Lifetime: more than 50,000 opening and closing operations. Please allow 1-3cm differs due to manual measurement. Door/Shelf Hinges 90 degree folding 90 degree folding door/shelf hinges Can be used for 90° folding 180°, precise hinge design to ensure long-term use. The special mechanism slowly closes the door to achieve smooth movement and create a quiet living environment.< /u> Suitable for door connection of kitchen cabinet, wardrobe, TV cabinet, bookcase, wine cabinet, etc. Bend hinge 90 degrees Cold rolled solid sheet steel, nickel plated on both sides.< /u> Made of cold-rolled steel plate, double-layer electroplating. 90°180° bends < ul > The special mechanism slowly closes the door to achieve smooth movement and create a quiet living environment. It is suitable for the door seal of the kitchen cabinet door, wardrobe, TV cabinet, bookcase, wine cabinet, etc. Easily replace old hinges and install -them in new