Whole copper gun body, finish polishing; aluminum oxide turning knob W0217 G-30 51*30.6*29CM 112.5KGW0218 G-100 59*32.5*33CM 18KGW0237 G-300 l Whole copper gun body, finish polishing; aluminum oxide turning knob Low pressure blowpipe using oxyacetylene as cutting air, is special cutting tool for ordinary and unique shape of carbon steel.