Loon(TM) - Ergo Bobbin For tying flies of all shapes and sizes A great bobbin disappears in that a tyer can spend their time at the vise thinking about everything else. The Ergo All Purpose Bobbin is comfortable in hand, with a design and shape that makes it compatible with flies of just about every shape, size and style. It is difficult to find the boundaries of this bobbin, as it does just about everything. FEATURES Iconic Loon Yellow powder coated handle Ergonomic shape Brass feet Versatile shape and size Allows for easy adjustment to tension Double radius tube