Our Victor style MFA heating tip is for use with Victor style 300 series torch handles. The MFA series heating tips fit the Victor 315C, 310C, WH350, HD 310C, HD 310R torch handles and the 320 torch extension. The number of acetylene heating holes on the rosebud varies between sizes. Size 8 has 8 holes, size 6 and 4 both have 6 holes.
