Pacific Fly Fishers Online Fly Shop & Catalog

The Medium Ultra-Thin Fly & Hook Box from Anglers Image has a solid magnet bottom that securely holds hooks and/or flies.  It is a handy fly box that works well for small flies.  It is also perfect for a small collection of hooks in a portable fly tying kit. 

Dimensions are 5" x 3 7/8" x 1/2".