Binario Porta Quadrato Basso Profilo Vetro Inox Spazzolato 1/2" Senza Serratura - 8" Pa
This is standard on both top and bottom rails. CRL DR2SBS12P Brushed Stainless 1/2" Glass Low Profile Square Door Rail Without Lock - 8" Patch. After the door is installed all you need do to adjust the door is to remove the End Cap.