I have a friend about an hour away who has a professional autobody shop.One day he called me up and asked if I could pick up an order for him in my town cause he couldn't make it before the store closed.I picked up a small bag of sandpaper and had to give the guy almost $150.00!! I couldn't believe it,I asked my friend(he reimbursed me)and he said pretty much what martinsr said.I believe him,he does excellent work