The hook is a small component used for fixing. It can also be used with WB261-12, when peg panel with holes or some other panels, E520, need to be fixed on the complete-set wall. The hook is a practical component. The use of the hook will not damage the peg panel with holes or other panels, because WB261-23-1is fixed on the extrusions between the panels.This makes removing the panels easy and convenient. Its size is 20*35mm. It weighs 0.020kg for each. It is made of steel. If there are some relative needs, LingTong will provide other best service for you in exhibition construction.