That’s ESAB OK Tigrod 12.62 - it’s a TIG welding filler rod.
What it’s used for:
1. TIG Welding / GTAW - You use it with a TIG torch + argon gas. The rod melts to fill/join metal together.
2. Metal type: It’s for mild steel / carbon steel. The classification ER70S-2 / W 46 4 W2Ti means it’s a general purpose steel rod with titanium. Good for pipes, structural steel, tanks, fabrications.
3. Specs from your pack: Ø 2.4mm x 1000mm length. 2.4mm is medium thickness - good for 3mm to 8mm steel plates/pipes.