Frameless Glass Door Fitting Material: SUS304, SUS316 Surface Finish: SSS, PSS Frameless Glass Door FittingThis system with safety pin is suited for glass door leaves ... Steel) and PSS (Polished Stainless Steel).Two kinds connecting for glass hole you could choose, flat hole and countersunk hole.A ... and close door for 100,000 times repeated actions. Frameless Glass Door Fitting