Model: UC4C Coil Weight: 10,000kg Coil Width: 914 ~ 1,220mm Coil Inner Diameter: 485 ~ 510mm or 580 ~ 610mm Coil Outer Diameter: 1,300mm Professional Metal Sheet Rollformer Manufacturer since 1963. Products Include Roofing,Tile sheet,Ceiling T-Bar,Partition Beam,Floor Deck,Door Frame, C&Z Purlin Equipments ..etc.