I had a DIY piece of furniture that required 4mm dowel pins which were not included. I ordered them. When I received the first bag I could see that they were too big. I realized they had sent the wrong item and asked for an exchange. I just got my 2nd batch and according to my handy knitting needle scale they are too big too. between 6mm and 8mm. Several parts are also broken. Don't waste your time. Just go to your local Home Despot if you want to make sure you're the right size.[LCAR]