"I have a Universal tower(yes I know it aluminum) ............bolts out = but can not remove the sleeve.=20 I called Universal and they said to grind them off. ........" Thanks for the replies. Consensus says to grind them of I'm off to see if I can find one of the = $19.95 grinders Larry WA2SRY Durham, NC --- StripMime Report -- processed MIME parts --- multipart/alternative text/plain (text body -- kept) text/html ---