stainless steel top rail stainless steel slot pipe for handrail system Handrail Product Code: PHR-SSRP ·Round top handrail. ·Dia 25.4/38.1/42.2/50.8mm ·Materail: SUS316L or SUS304 ·Thickness: 1.5-3mm ·Glass thickness: 12-21mm ·Finish: Polish/Satin