Material: brass Finishes: NP CP S&L P&L GP PVD 90 degree Shower hinge: suitable for glass door from 8 to 12mm thick and 800 mm wide,The door will be closed automatically when being closed to about 25 degreeFinishes: Chrome plated,Nickle plated,P&L,S&L,Gold plated,PVDWeight of door: 50kgTimes fatigue: Above 100,000 times