This Simonswerk Anselmi Self Closing Concealed Hinge is for use with their AN160-3D hinge system and allow the door to close in an independent manner. This high quality concealed hinge system is for use with light weight, non-rebated, internal doors. The hinges with the integrated closing function are installed in the centre between the upper and lower hinge and have a special rotation system - must be used in combination with AN 160 3D. The hinges system will take a weight capacity of 60kg, making them suitable for most interior timber doors. Made from Zamak there are a choice of 6 aesthetic finishes that will compliment most door hardware finishes and interior design schemes. These hinges are sold as a SINGLE HINGE (not in pairs). Screws not supplied Suggested screws: Frame side: Countersunk head screws DIN 7505 A, Diameter 4.5 mm Door side: Pan head screws DIN 7505 B, Diameter 4.5 mm