These incredibly tough little boxes are perfect for organizing your fly tying bench, as well as for storing minuscule flies. The small, orange size has ten compartments and measures 3.5" by 4.5". The larger, green size features 14 compartments and measures 4" by 6". They are both supplied with a hook grabbing tool, and feature sloped edges to make it easy to get even the smallest of hooks out. Stonfo Magnetic Hook Boxes are a great way to keep your fly tying hooks organized.