Material: Aluminum Shape: Cone Diameter Of Base: 11" Base Opening: 5" Height: 8" Type: One-Way/Two-Way Advantage: Heavy-Duty OEM: Acceptable *CNC Spinning Machine Max Diameter Of Raw Material: 1650mm(65") **CNC Spinning Machine Max Thickness Of Raw Material(Carbon Steel): 6mm(0.236") ***CNC Spinning Machine Max Height Of Raw Material(Carbon Steel): 700mm(27")