Prime-Line 1-1/2 in. Nylon Sliding Door Tandem Roller Assembly, Milgard-D 1940 Specifications Condition: Open BoxUPC: 049793019400Model Name: D 1940Manufacturer: Prime-LineProduct Type: Door RollersReturnable: 90-DayWheel Material: MetalHardware Finish Family: WoodMaterial: NylonBuilders Hardware Product Type: Door RollerFinish: MillPackage Quantity: 1Product Height (in.): 7.438Product Depth (in.): 1.125Roller width (in.): 0.28125Product Width (in.): 3.813