Extra Low Hydrogen Type Covered Arc Welding Electrodes.Spec: Ff09107 Rev 02, Size: 5.0 X 450 Mm , Extra Lowhydrogen Type Covered Arc Welding Electrodes. Spec:Ff09107 Rev 02, Size: 4.0 X 350/450 Mm , Extra Lowhydrogen Type Covered Arc Welding Electrodes. Spec:Ff09107 Rev 02, Size: 3.2 X 350 Mm Quantity: 20000