Ordering Description Product number Description: M9-250 WELD HEAD TOP ASSY Product number: 13090005-01 Description: M9-500C WELD HEAD TOP ASSY WATER COOLED W/ROTOR COPPER ALUM UNS-C15715 Product number: 13090007-01 Description: M9-500C WELD HEAD TOP ASSY WATER COOLED W/ROTOR SST303 UNS-S30300 Product number: 13090007-02 Description: M9-500 WELD HEAD TOP ASSY W/ROTOR COPPER ALUM UNS-C15715 Product number: 13090010-01 Description: M9-500 WELD HEAD TOP ASSY W/ROTOR SST303 UNS-S30300 Product number: 13090010-07 Description: M9-500 WELD HEAD TOP ASSY W/ROTOR SST303 1/16(1.6MM) ELECTRODE Product number: 13090010-08 Description: M9-1500 WELD HEAD TOP ASSY Product number: 13090040-01 Description: M9-2500 WELD HEAD TOP ASSY 360DEG TUBIFLEX Product number: 13090112-03 Description: M9-2500 WELD HEAD TOP ASSY 25FT/7.5M CABLE Product number: 13090050-05 Description: M9-3500 WELD HEAD TOP ASSY Product number: 13090060-01 Description: M9-4500 WELD HEAD TOP ASSY Product number: 13090070-01 Description: M9-4500 WELD HEAD TOP ASSY 25FT/7.5M CABLE Product number: 13090070-04 Description: M9-7500 WELD HEAD TOP ASSY Product number: 13090080-01 Description: M9-7500 WELD HEAD TOP ASSY 25FT/7.5M CABLE Product number: 13090080-03