change old spec to new spec....

Hi Guru,
Could you guide me,  I would like to change all spec and matref for all sctn and pane
I have diff. spec  in model. How can I collect a group and change the spec?

Regards
vijay

Hi Guru,
Could you guide me,  I would like to change all spec and matref for all sctn and pane
I have diff. spec  in model. How can I collect a group and change the spec?

Regards
vijay