Adjustable door hinge.Special  features: 30 degree automatically spring closing,Website:://.mesashower.com,0-80 degree ajustable angel position ,classic glass-cutting dimension and desgin.200,000 times closing testGlass thickness: 8mm-12mm,tempered safety glass .Hinge swings: 90 degree inwards or outwards .Closing type: precise closing btween 0-80 (adjustable)Cut out required.Includes: gaskets,screws,decoration caps,install instruction