The Lincoln Electric® Model V1-101AC-0 is a heavy preheat acetylene cutting tip for V-Series and Victor® style hand and machine torches. This two-piece hand cutting tip has a copper outer shell and brass internal shell. It's designed for use with acetylene, and cuts steel that is painted, rusted, or has a heavily scaled surface with a 1/4"- 1/2" max cutting capacity. Typical applications include construction, demolition, maintenance, etc. It's also engraved with the model number and tip size for easy identification. Cutting drill size 60.