Great Holder: inner hole allows it to fit for tippet holder, good leader holder for fishing. High Quality: EVA construction, made from floating high density foam, float on water quickly dry. Wide Use: 100 spools per pack, takes any length rig, great solution for keeping your fishing rigs squared away. Removable Fitting: A removable insert to hold of leader or hang your flies. Winding Board: Spare spools for wrapping the hook link around it, you can use tippet holder to keep it. Fishing Tool: Great for organizing snelled hooks, fishing lines, leaders, fishing rigs and hooks. Anglers can pre-tie flies to the leader, and place the hooks into the spool to keep secure until needed. Specifications Type: Winding Board Size: 4.5 x 4.5 x 1cm/1.76 x 1.76 x 0.39inch Weight: 150g/5.29oz Colour: As Shown(Wood Grain) Material: EVA Package Contents: 100 x Winding Board Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.