Product Name: Roller Shutter Door Accessories Window Door Roller Model NO.: ER-1003N Material: Steel Surface Treatment: Zinc Plated Splittable: Unsplittable Certification: CE, ISO Diameter: 2" Width: 2" Stem Length: 7" Weight: 0.25 Kg Trademark: Everbright or OEM Transport Package: The Products Will Be Packed in Carton by Sea Specification: Customized Origin: China HS Code: 8483500000 Product Description ModelWeightDiameterWidthStem LengthMaterialER-1003N0.25kg2"2"7"Galvanized steel-2" nylon roller-7'' galvanized plated stem-Bulged shoulder-Rating:50-lb load @ 10,000 8' door cycles-Packaged in cartonDifferent ModelsOur main productsProcess flow of garage door panel's productionThere are 8 steps to make the garage door panel by the automatic continuous production line. They are uncoiling - film laminating - roll forming - PU foaming and solidifying - fly cutting - cooling - stacking and wrap packing. After these 8 steps every piece of panel will be checked by the QC staff, then high quality panels could be loaded and sent out.