hey guys (& girls)! I want to add a wardrobe for my working overalls in the Garage. Some years ago we put a plasterboard on one wall. My question is if plastic dowel are enough for this job. How did you do? Or should i take metal dowels?

See this 2 models / with will do the job best?

plastic

metal


image-source: http://www.duebel-shop.at/Gipskartonduebel:::62.html

Is it ok too take about 4 of these dowels for the warderobe which withstand 10kg?