Whole copper gun body, finish polishing; aluminum oxide turning knob W10500 H01-6 44*31*32CM 10.5KGW10501 H01-12 53*38*32CM 13KG Whole copper gun body, finish polishing; aluminum oxide turning knob,Special tools for welding steel, ferrous metal, and raw iron cast and resurfacing welding hard alloy JETTING-SUCKING WELDING TORCH