In the days of your youth, you used to watch your father in his garage on a Saturday afternoon, concentrating on metalworking. You finally decided to ask him what the tool he referred to as a reamer was used for. Your father, kneeling down next to you, explained that a reamer is a rotary cutting tool used for enlarging holes in metal while ensuring that the sides are smooth. An adjustable reamer can be tweaked to cover a range of different size holes with greater precision than a normal drill can provide. A precision tapered reamer, as the name implies, can create holes with a shallow taper. With this information, gained from your father years ago, you feel confident browsing through the large range of products available on eBay for a reamer to assist with your own metalworking tasks. Regardless of what you happen to need, reliable sellers are likely to have it, and they offer convenient shipping options as well.