Victor Series 1 Type 101 Size 3 One-Piece Acetylene Cutting Tip is used to cut metal of thickness 2 - 2 1/2". Tip having a cutting speed of 10/13 inches per min features a cutting oxygen pressure of 45/50 PSIG, preheat oxygen pressure of 5/16 PSIG and acetylene pressure of 4/10 PSIG.