Ordering ( Item availability may vary by region. ) Description Product number ( Item availability may vary by region. ) Description: OK AristoRod 13.09 0.8mm 15kg Product number: 1B09086900 Description: OK AristoRod 13.09 1.0mm 18kg Product number: 1B09106910 Description: OK AristoRod 13.09 1.2mm 18kg Product number: 1B09126910