Review on 🛠️ Assorted Finishing Deburring Kit - Swpeet Polishing Assortment by Alex Webster

They are advertised as having a 1/8" shank diameter (equivalent to 0.125") but are only 0.116". It doesn't seem like a huge difference, but genuine Dremel accessories measure exactly .125" and some of their tools call for that size. I have a Dremel 4200 and it is EZ approved. These undersized shanks from Swpeet come in and out of the tool in a locked position, so they obviously don't work in this Dremel tool. The discs themselves don't look as durable as the Dremel brand bristle discs, and there's no apparent difference between discs of different colors (other than color!), so I'm not sure they're actually different grits. They just appear to be different colors of the same plastic, but I have no objective way of measuring their level of "grit". The poor quality control of the shafts makes me doubt the whole product. A week ago I emailed Swpeet about a stem sizing issue but I didn't get a response from them so hit them again.