Plus they are alloy. Since the wedges are notorious for breaking or getting lost you might have some luck asking on the classic rendezvous list if anyone has a spare (as I am sure lots of those guys have boxes full of cinelli partial stems). Try also contacting the bike stand as I believe they may have the wedges as a replacement part, they might have the whole assembly. I sent them an email recently to see if they have any wedges as I am one away from having a complete 1R stem, but no reply I suspect it may have been bounced also. I'll have to phone one of these days.
1 Super Record bike, 1 Nuovo Record bike, 1 Pista, 1 Road, 1 Cyclocross/Allrounder, 1 MTB, 1 Touring, 1 Fixed gear