Description: Practical Design This fly tying tool fishing hook measuring ruler allows you tie hook lengths from 10 cm to as long as you desire easily, and it also has a loop tyer device for tying small loops. High-Quality MaterialThe fishing tackle hook tying measuring ruler is made from durable alloy material, this tool is built to last and withstand the rigors of regular use.Compact SizeThe hook length measuring ruler tying system is a handy item to have on the tying bench for fly tyer. The measuring ruler is 16.3cm in total length. Portable and lightweight, easy to carry, and easy to handle, making it convenient to carry around and store when not in use.Fishing TackleThis tool is designed for fly tying fishing tackle hooks. Also can be used for a variety of tasks requiring accurate measurements, making it a versatile addition to your fishing tools.Fishing AccessoriesHook distance positioning knotter ruler is designed for convenient and accurate hook tier knotting and won't hurt your fingers. Specification: Material: Alloy Size Chart: 16.3cmx3cmx0.75cm/6.42inchx1.18inchx0.30inch Package Includes: 1 Piece Fishing Hook Hook Knot Tying Tool Measuring Ruler