Victor Equipment Heavy Duty Acetylene Heating Tip. Part # VI0330-0524Size: 12. Fuel Gas: Acetylene Series: 1Type: MFTA. For use preheating before welding, descaling, and paint burning. Not for use with cutting attachments. Note: Size 8 is maximum size for use with cutting attachments. Use in: H315FC Torch Handle, 315FC Torch Handle CA2460-90, Dig Cutting Attachment CA2461-75, Dig Cutting Attachment CA2462-180, Dig Cutting Attachment ST2600FC, ST100FC, ST900FC, and HC1200C Strait Torches MT200 and MT300 Machine Torches