Ordering Description Product number Description: SUPRA XT SEHD 450 Air Cooled MIG Gun (450A, 1/16, 15FT, Lincoln) Product number: 1040-1432 Description: SUPRA XT SEHD 450 Air Cooled MIG Gun (450A, 1/16, 15FT, Miller) Product number: 1040-1342 Description: SUPRA XT SEHD 450 Air Cooled MIG Gun (450A, 1/16, 15FT, Tweco) Product number: 1040-1332 Description: SUPRA XT SEHD 450 Air Cooled MIG Gun (450A, 1/16, 15FT, Euro-Kwik) Product number: 1040-1442