1)material:stainless steel,rubber; 2)Finish:Precision grinding, 3)delivery time:15-30 days ... steel,Brass, Titanium alloy,Tungsten steel ,POM, etc .Surface treatmentPolishing, Powder coating, Spraying, Anodising, Zinc Plating and etc .Heat treatment Annealing ... parts , spare parts for offset printing machine spare parts with rubber for offset printing machine