Item Type: Hinges_x000D_ Material: Copper_x000D_ Application: Cabinet doors, gift boxes._x000D_ Service Life: More than 50000 times of opening and closing_x000D_ Maximum Bearing Capacity: 4-6kg / 8.8-13.2lb per 2pcs_x000D_ Weight: 90g / 3.2oz(approx.) 1SPECIFICATIONS: The hidden hinge can be opened 180 degrees and has a laminated link, which ensures smoother hinge movement. 2COPPER MATERIAL: The hinge is made of excellent copper, with high hardness, corrosion resistance, wear resistance, and long service life. 3WIDE APPLICATION: This hidden hinge can be used for cabinet door, folding door, table, and many DIY projects, wood or metal application. 4GOOD PERFORMANCE: The metal hinge has reasonable structure, opening and closing more than 50000 times, with a large bearing capacity. 5SAFE OPERATION: Includes 2pcs hinges, with fine workmanship, no burrs, no nicks, and no injury to the hand, which can be safely used.2 x Hinges