Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Mirka 6" 6-hole 80 grit sanding disk

I ordered an assortment of Mirka sanding disks (different grit) for my Porter Cable 6 inch random orbit sander.The 80 grit was suppose to be 6 inch / 6-hole but has no holes.I tried to access the web site to initiate a return or replacement.The web site would not recognize my order number.After several tries I gave up.