Ordering Description Product number Description: M81 WELD HEAD TOP ASSY SGL ENTRY TORCH STD Product number: 13810106-01 Description: M81C WELD HEAD TOP ASSY SGL ENTRY TORCH STD Product number: 13810106-02 Description: M81C WELD HEAD TOP ASSY TILT Product number: 13810106-03 Description: M81C WELD HEAD TOP ASSY 2 Cameras DIGITAL Product number: 13810106-04 Description: M81C-415 WELD HEAD TOP ASSY SGL ENTRY TORCH STD Product number: 13810145-02 Description: M81C-415 WELD HEAD TOP ASSY TILT Product number: 13810145-03