Victor 0330-0007 4-1-101 Cutting Tip is for general purpose, hand and machine torch cutting. The gas service is acetylene and the metal thickness is 3 inches. This cutting tip is size 4. The cutting oxygen in PSIG is 40/50 and the cutting oxygen in SCFH is 270/320. The preheat oxygen in PSIG is 6/17 and the preheat oxygen in SCFH is 20/33. The Acetylene in PSIG is 5/10 and Acetylene in SCFH is 18/30. The speed I.P.M is 9/12 and the kerf width is .12 inches.