Gauge Cup - Missing Parts? Autometer Help!

I just tried to call them, they are closed on the weekends.

This is a picture of one I found on E-bay, it is a 3204 (mine are 3202) it has the hole in the back I am looking for but... no foot.

http://cgi.ebay.com/ebaymotors/Auto-Meter-2-5-8-Gauge-Mounting-Cups_W0QQcmdZViewItemQQ_trkparmsZ72Q3a1171Q7c66Q3a2Q7c65Q3a12Q7c39Q3a1Q7c240Q3a1318Q7c301Q3a0Q7c293Q3a2Q7c294Q3a50QQ_trksidZp3286Q2ec0Q2em14QQhashZitem4ce89e9635QQitemZ330320221749QQptZRaceQ5fCarQ5fParts

Why dont they come with a foot? What am I missing?