200RD 4-Panel Hardware Set, 72" (1828mm) Track
18" [457mm] 1/6 x 4 Max Width Per Panel72" [1828mm] 6/0 Track Length1-1/8" [29mm] to 1-3/4" [44mm] Panel Thickness75lbs [34kg] Max Weight Per PanelTop Mount Hardware AttachmentCommercial Grade Top Hung, Top Mount Multi-Fold Door Hardware200RD Installation Instructions Manufacturer part number: 200R4072