... 60HzThyristor two face spot welding(For Steel car body)PLR-7 is for professional car body workshops. It allows spot welding ... repairs, hammered, patchwork and nails poses, pins, discs, rivets. PLR-7 features:1.Automatic over-heated protection function;2.Repair functions ... chosen;4.Heat,meson,vertical pulling,spot welding,flatten,waveform line,whorl post,triangle shim etc welding; 5.Possess gas filtrate ...