Orientation system of parts with flanges (syringes, dropper, compressed tubes, etc.). Format change system without the use of tools by automatic or manual adjustment of the in-line rollers. The supply can be completed by additional devices such as: blower/vacuum systems, devices for direct (or indirect insertion through external devices combined) inside pucks/godets in case of unstable objects and other systems on specific request of the customer. In combination with the cartoning machines, they can be equipped with conical or cylindrical wheels for direct unloading of parts oriented directly into the catenary boxes.