General description Invisible cylindrical concealed furniture hinges made of copper, designed for a 180° opening angle, making them convenient to use for various applications. Technical specifications Material: Copper Maximum capacity for 2 hinges: 8 Kg Hinge size: 12 mm Compatibility and accessories Suitable for hotels, wooden doors, cabinet doors, commercial car counters, tables, and other DIY projects. Can be used to create small boxes, pens, or pencils. Installation If the hole is slightly larger, secure the hinges with a wood screw.