Double rail sliding door hardware set - SRT201-612, mainly used in bathroom. All components are made by SUS 304 material, will not rust in bathroom. Strong sliding rail with 2.0 mm thickness, will never be bended. The roller design is simple but good capacity. Harbin bearing, smooth sliding, quiet, long service life, quality guarantee 5 years. Double sliding doors design can have better space for the shower room. Very small distance between two sliding panels, the water is not easy to go out.