2 Piece Fly Tying Vise Magnet Set is great for managing even the bulkiest of materials to keep your fly tying steps manageable. These 2 magnets just may be the pieces you never knew you needed, and the solution to an old problem. Very useful to lock down and hold any materials out of your way while tying simple to complex fly patterns. Perfect for holding beads and hooks on pedestal so as to not lose them while tying a series of flies These very strong magnets are compatible with most vises. Each magnet's dimensions are: 16mm base, 20mm tall. Attractive metallic black durable finish looks great on any vise and fly tying bench. Each magnet is precision machined to the highest quality. Packaged in a fly fisherman's all-time favorite round and reusable 2-1/2" x 7/8" clear polypropylene storage container with tethered, tight-fitting lid.