GSK 980M or 980T
M control is used for milling and drilling applications. Up to 26 cycles for rigid tapping, drilling, boring, milling, etc.. Macro programming available.
T control is used for lathe/turning applications. Macros and common threading cycles available

GSK 983M or 983T
This control is used for both mill and lathe applications. It offers both digital and analog interfaces. The analog interface allows for connection to existing system drives.
GSK 218
This control is used for high end mill applications.