Resources Where to obtain materials, consumables, and tooling.   Consumables Always buy name brand : Hypertherm Shields #220817 | https://stvcnc.com/product/220817-hypertherm-shield/ Nozzles 45A #220941 | https://stvcnc.com/product/220941-hypertherm-nozzle-45a/ 45A FineCut #220930 | https://stvcnc.com/product/220930-hypertherm-nozzle-finecut/ not used very often - not significantly different from 45A. 65A #220819 | https://stvcnc.com/product/220819-hypertherm-nozzle-65a/