Merco Products is a small fly tool manufacturing company with a worldwide reputation. We use only the best materials to build the finest fly tying bobbins available. Our bobbins are made in the USA and we proudly add the official, "Made in Montana" label to every bobbin we sell. Our mission is to provide the highest quality fly tools to our customers at a reasonable price. Once you have had a "Rite™ Bobbin" in your hand, you will never want to use another!