The Folding Hinge is great for DIY tables or beds, and extension furniture, which are fit for an office desk, dining table, study desk, coffee table, side table, wardrobes, cabinets, bookshelves, outdoor or patio table, and more.SpecificationColor: MulticolorMaterial: MetalMounting Diameter: 5mm / 0.2-inchOverall Size: 6.6 x 4.4 x 5.6cm / 2.6 x 1.7 x 2.2-inch(L*W*H)Package Contents: 4 x Folding HingeAdvantagesMade of metal material, sturdy and durable, lightweight and portable, stable and rustproof, resistant to corrosion and wear, and not easy to deform. Comes with self-locking for easy folding and ensures stability, when you are not using them, just press the latch and fold it down to get more space.InstructionEasy to fold and self-locking, just press the "forced lock" of a spring-activated in the middle, which can be worked stably.
eBay