【Compact Size】Our mini barrel hinge measures 19 mm (0.75 inch) in height and 8 mm (0.31 inch) in base diameter . The open gap between the two hinges is 4 mm (0.16 inch) , making them compact and suitable for lightweight applications 【Wide Application】Our concealed small hinge is suitable for small wooden/plastic/thick glass products such as jewelry boxes , folding tables , small cabinet doors , handicrafts , jewelry boxes , and wine boxes . Lightweight and practical , not recommended for vertical or heavy duty load bearing projects 【Premium Solid Brass】This small barrel hinge is crafted from polished premium brass . The solid structure is robust and wear resistant , combining a bright and aesthetically pleasing finish with excellent rust resistance 【Easy Installation】The set includes 10pcs hidden brass barrel hinge and 40pcs matching screws . Installation is simple , drill holes in the corresponding locations on the case , insert the hinges , and secure them with the screws 【180 Degree Invisible Opening】This mini hidden concealed hinge features a concealed hinge design , supporting smooth opening and closing from 0 to 180 degrees . After installation , the hinges are completely invisible from both sides of the case , ensuring smooth opening and closing while maintaining a clean and aesthetically pleasing appearance, Manufacturer: PATNFR