Pack of (2) two Center Rig Cards for the Wynd Bynder Series 01 Fly Box. It is a simple design that is packed with features and functions. Easily removable Center Rig Card allows for tangle-free storage of pre-rigged flies and tippet. Effortlessly swap out and store multiple fly rigs as fishing conditions change or you break off....ugh. This system puts you only one knot away from getting back in the water. Center Rig Card Size: 4.6825in w x 3.5625in h x .3875in d