SW2/3 Welding Torch Tip Copper material Size #1,2,3,5,7,10,13,18,25,35 Orfice 0.6,0.8,1.0,1.1,1.3,1.7,2.0,2.2,2.7mm SW2/3 Welding Torch TipCopper materialSize #1,2,3,5,7,10,13,18,25,35Orfice 0.6,0.8,1.0,1.1,1.3,1.7,2.0,2.2,2.7mm Specification SizeOrifice (mm)10.620.831.051.171.3101.5131.7182.0252.2352.7