PD-A01 was a basic humanoid-shaped droid design - similar in appearance to PD-A01V02

PD-A01 Assassin Droid Droid Old Republic Assassin Droid classes

, but with different color scheme - which was used in the production of various droid models - both for military and civilian purposes - by different droid manufacturers, including Balmorran Arms

Balmorran Arms Organization Manufacturers

and Okara Droid Company

Okara Droid Company Organization Manufacturers

. Full production ID for this design was droid.assassin_droid.promisedone_a01. Like most humanoid-shaped models, it allowed to install wide array of internal weapons and protective shileds, besides the fact that it could use most blasters, rifles and melee weapons.
Known operators

Planet	Organization	Modification	Weapon
Corellia Corellia Planet	CorSec Corellian Security Force Organization Planetary and Sector	CorSec Prison Patrol Droid
Balmorra Balmorra Planet	Balmorran Resistance Balmorran Resistance Organization Planetary and Sector	Resistance Security Droid Resistance Security Droid (PD-A01 Assassin Droid) Droid