200R4072 200RD 4-Panel Hardware Set, 72" 6/0 [1828mm] Track
72" 6/0 [1828mm] Track Length18" 1/6 [457mm] x 4 Nominal Max Width Per Panel1-1/8" [29mm] to 1-3/4" [44mm] Panel Thickness75lbs [34kg] Max Weight Per PanelCommercial Grade Top Hung, Top Mount Multi-Fold Door HardwareAll Panels Fold in Single Direction200RD Installation Instructions Manufacturer part number: 200R4072