Fly Tying Bobbin Holder The sprung retain just enough tension so that the thread feeds off easily when wound, but stays in place when the holder is released. The tube is made from ceramic, very smooth, to prevent the thread from becoming frayed. feet for smooth spool rotation. This tool holds a bobbin of thread or floss, allowing it to be applied seamlessly to the hook and keeping waste to a minimun. Fly Tying Bobbin Threader Useful tool for threading of the bobbin. Extra-long bobbin threader that is compatible with even the largest bobbins. Ergonomic shape designed so that the tool will not roll off the tying table. Specification: Material: Stainless Steel, Brass Fly Tying Bobbin Holder Length: approx.10.5cm/4.1inch Fly Tying Bobbin Threader Length: approx. 14cm/5.5inch Package Includes: 1 Piece Fly Tying Bobbin Holder 1 Piece Fly Tying Bobbin Threader