Ordering ( Item availability may vary by region. ) Description Product number ( Item availability may vary by region. ) Description: Weld EM12K 4.0mm 25kg Product number: 2312400300 Description: Weld EM12K 3.2mm 25kg Product number: 2312320300 Description: Weld EM12K 5.0mm 25kg Product number: 2312500300