Consumables Red Copper Extended Long Tip Electrodes and Long Nozzles For PT31 LG40 40A Air Plasma Cutter Rated welding current: 40A Maximum cutting thickness: 12MM Suitable for PT-31 LG-40 cutting torch Material: Red copper Size: Electrode: 38mm*4mm(Length*Diameter) Nozzle: 11mm*15mm(Bottom diameter*Hight) Notice: Manual measurements may exist a little error, please understand.Good thermal conductivity High temperature High mechanical strength Long service life