What is it? A file card brush is used to clean a file to ensure longer life and efficiency Who uses it and why? A file card is used to clean any file so that it doesn't get damaged and you don't have to buy a new one What materials can they be used on? They are mostly only used on files that needs to be cleaned. How is it used? How someone would sand a block of wood, pressing the Card against the file What are their distinctive features? At the end of the card there are bristles that clean out the indents of a file Where can I buy it? https://www.amazon.com/LUTZ-LU999-File-Card-Brush/dp/B007IGOGJ0 http://www.homedepot.com/p/Nicholson-File-Cleaner-21455L/202080321 How much does it cost? $7-$10 |