... high frequency,save your energy,your money,suitable for family use and house hold!also suitable for DIY and industry use! 1. the feature of ... meterial into needed shape with fine edge,suitable for cutting of stainless steel ,aluminum and cooper , as well as composite plate, ... electrodes,2 pcs shield cap and 2pcs gas ring) and all the machine acessories include to make sure your machine can work well 4 ...