We did a job two weeks ago using the oracal 8510 that we bought little over a year ago. More then half way thru the job, we ran out so I order about 20 more yard from Fellers. When we got the vinyl in, the color did not match up. The one we had before was noticeably darker. Called Fellers and they said they could not do anything about it so we had to order a whole new roll and redo over. But made us easy money in less then 3 hour.