Why contradictory? So both containers made of solid plastic, blades (2 and 4) made of stainless steel. Container with lid, then the large lid for pressing.
I have used them several times, they are very versatile and robust.
I hope I have helped you, I have not been able to find a better shredder on the market, and at a good price. Just experience, not an advert for the manufacturer.
Greetings from Berlin