...the X-1.875. The link to order them from JP's is below.

http://www.jpscorner.com/Airtite-Direct-Fit-Coin-Holders.html

I bought a case of 250 for $123 back on April 11th & now have all of my octagon chips in them. Below is a link to the post I made listing the AirTite number & showing a picture of one of my octagon chips in the AirTite.

http://www.thechipboard.com/index.cgi/page/1/md/read/id/1096352/sbj/ex-anyone-have-any-octagons-ft-or-fs-if/

Andy - Las Vegas