If your lock system requires the smaller size keycards  (1 3/4" x 3 1/2") ie. "Old Saflok®", here are the stock designs to order:

( Stock Key cards are sold in units of 1-case=1,000 keycards. When you checkout after selecting the card, you can increase the number of cases. Price is $85.00 per case ($.085 each card).

To order from secure on-line store, see below:

Typical back; click to enlarge.

GA580-55S1

GA580-55S4