Condition is Pre-Owned. MDSI OpenCNC Plus V6.6 CNC Software CD SFW.10225.660 Manufacturing Data Systems. Industrial CNC control software intended for machine-tool/CNC applications. Original disc, case, and printed release-note information are included. Disc is untested and no license, activation key, hardware dongle, or additional documentation is guaranteed. USPS Shipped. Please see all pictures.