So I've learned my lesson when buying products from eBay. Before starting my course I had bought cheap products from eBay to practice as I had no other options because I wasn't licensed therefor could not buy products from supply stores in town. Having said all that I am wondering about the nail files and buffer blocks. I would like to stock up so I am using a new file and buffer on each client. What are your thoughts on these types of products from eBay. The price is right but are they safe?