If you go to
www.wellsgardner.com and click on "Tech Info" on the right side of the screen, then click on "Release Number Breakdown", you'll find out everything you want to know on your monitor.
In a nutshell, you have a 19" horizontal ("shelf") mount k7200 series. Be aware that there are TWO versions of the k7200 and each version uses a different capkit. Since this is a current production model, you need to call the parts department at Wells-Gardner (1-800-336-6630 or 708-290-2100) to buy a capkit. The technicians will be able to tell you how to distinguish if you have a regular 7200 or the "Rev A" 7200.
Wells part numbers for the two different capkits are:
S-KIT CAP K72 (for the k7200)
S-KIT CAP 72A (for the Rev A k7200)
I believe these sell for around $12 each kit.
The k7200 series service/parts manual (which covers both versions) is part number 069X2848-100.