Supply of Manual Metal Arc Welding Electrode, Class D, Type Of Coating: Heavy, Specification No.: Irs:M-28/2020, Str: Rdso M C Str W 01 Rev-03, Size: 4 Mm X 450 Mm. Note: 1To Be Procured From Icf Approved Source Only. 2Manufactures Test Certificate Should Accompany Along With The Supply.