... brass,zinc alloy etc 3.Finish:SSS,PSS,CP etc The shower hinge of detailed description features: Material:1) ... doo hinge.Material: SS316,SS304,SS202,Brass, Zinc alloy.Size: 90degree glass to glass.Finish:SSS,PSS,AB,CP, ... with door width 800-1000mm, upon turning door 25degree, the door will close automatically.2) Glass thickness: 8-12mm ... soon as possible. s90 degree double side shower hinge made in China