The hook is a small component used for hanging peg panel with holes. It can also be used with WB261-23-1, when peg panel with holes, E520, need to be fixed on the complete-set wall. First, the hooks are stuck on the top of the panel’s surface, then hang the peg penal with holes on the hook, and finally is fixed with WB261-23-1. The hook is a practical component. The use of the hook will not damage the peg panel with holes or other panels, because WB261-23-2 is through the hole on the peg panel. This makes removing the panels easy and convenient. It weighs 0.060kg for each. It is made of steel. If there are some relative needs, LingTong will provide other best service for you in exhibition construction.