Sliding door roller material: 304 or 316 stainless steel 
Finished: Satin or Polish 
For one set of sliding door that need SF-05S, TB-25A, SF-06S, SF-07S, SF-09S, SF-10S, SF-04S, SF-11S, SF-12S, SF-13S.                                                          
Many more item picture inquire , please contact me or check our websit.