It is produced by 4 axis cnc turning machine.The material is stainless steel.It's a truck component.It's cnc turned parts, custom precision parts, steel machining parts. Our cnc turning: Tolerance: 0.005 - 0.01mm, Roughness value: Minimum cutting tool: 0.1mm Diameter raw material: 0.5 to 350 mm Our turning material: Material: steel, copper, brass, aluminum, staineless steel, titanium, other special material, 30*20*20