This item is brand new and never used. It is basically a die grinder and has a 3/8 chuck can be used as a dremel. http://www.amazon.ca/Ingersoll-Rand-327-8-Inch-Pnuematic-Grinder/dp/B0002SRLD4/ref=sr_1_1?ie=UTF8&qid=1442290543&sr=8-1&keywords=tire+grinder