All our stainless steel parts are made of SUS304 quality. Nickle content is up to 8.1%, which meets the real international quality standard, instead of fake 304 stainless steel. It’s rustless in bathroom.
Flange – guide rail bracket Ni 8.0697%
Corner clip Ni 8.1255%
Roller Ni 8.1022%
Round uide rail Ni 8.0930%
Square guide rail Ni 8.0811%