This product is a set of heavy-duty hard wall picture hooks designed for strong nail fixing. The hooks are specifically made for hard walls, providing a secure and reliable way to hang pictures or other items. The hooks measure 30mm or 40mm in length (select your size from menu above), ensuring stability and durability when supporting heavier objects. Perfect for DIY projects or home improvement tasks, these hard wall picture hooks are a practical solution for securely mounting items on hard surfaces.