200RD 4-Panel Hardware Set, 144" (3658mm) Track
36" [914mm] 3/0 x 4 Max Width Per Panel144" [3658mm] 12/0 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: 200R4144