probe droid design which was used in the production of various droid models - often military sentries and espionage droids - by different droid manufacturers. Full production ID for this design was droid.probe.sentry_mcr99_a01. Basic design included five multi-purpose manipulators and had Defense Screen installed as a stock option. It allowed to install wide array of weapons and protective shileds. During the Galactic War this design was favored by the Shroud