(...) I'm not sure what 1x6 rounded Technic plate translates to, but looking at your 'bots again (always a pleasure) I think you mean the 32250 Technic Liftarm 3 x 5 L shape? Close to bottom on this page (along with list of produced colors to answer (...) (23 years ago, 29-Apr-02, to lugnet.build.mecha)
Oh Darn that's right I spelled Kevin's last name wrong. Thanks! Green is fun! Thanks Tobbe! Legomaster BTW, the part: (URL) (...) (23 years ago, 29-Apr-02, to lugnet.build.mecha)