This swirl ring is compatible with Spectrum 875, Spectrum 875 Auto-Line, 907390011, 907390012, 907396, 907396001, 907396002, 907396003, 907583, 907583001, 907583002, 907583003, 907584, 907584001, 907584002, 907584003, 90758 and more under the Miller brand. It can be used for plasma cutting.