1700RD 4-Panel Hardware Set, 48" (1219mm) 4/0 Track
12" [305mm] 1/0 x 4 Max Width Per Panel48" [1219mm] 4/0 Track Length1" [25mm] to 1-3/4" [44mm] Panel Thickness50lbs [23kg] Max Weight Per PanelTop Mount Hardware AttachmentCommercial Grade Top Hung, Top Mount Bi-Fold Door Hardware1700RD Installation Instructions Manufacturer part number: 170R4048