... serviceCompatible with the BOC cutting nozzle tipsAcetylene cutting nozzle tipPropane cutting nozzle tip: Gouging nozzle tipHigh speed nozzle tip: Heating nozzle tip:AHT25, AHT50, AHT 100PHNM ... welding nozzle tipLight weight : 1,2,3,5,7,10,13,18,25Heavy Type 2/3: 1,2,3 ... ,5,7,10,13,18,25,35,45,90 BOC welding nozzle tip