Application: For LG-40 PT-31 cutting torch CUT40 CUT50. Bundle of Electrodes & Nozzles for PT60 IPT 60 Plasma Cutting Torch 20pcs/Set. Nozzle and electrode: copper. 20 PT31 extension nozzle. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.