Electrode 4 Mm Dia. Class N 2, Spec. No. Irs:M-28/17 Spec: Rdso, Spec No. Irs: M-28-0 2 Amendment 01 & 02. Specn: Rdso Spec. No. Irs:M-28-02 Amendment 01 & 02. [ Warranty Period : 30 Months After The Date Of Delivery ] [Quantity Tolerance (+/-): 5 %Age , Item Category : Normal , Total Po Value Variation Permitt Ed: Max 8 Lacs ] ]