Image Number 2 for United States Patent #6110402.
An attachment mechanism for a hole form that is used to secure the hole form to a form wall during a casting process. The attachment mechanism includes a hole form having an opening formed in the face thereof and a magnet assembly which is received in the opening of the hole form. The magnet assembly can include a flange portion which can be received in a corresponding stepped portion of the opening. The magnet assembly is removable and can be used in other hole forms.