For brackets two & three (II & III)...one set of holes is to attach the bracket to the box, the other set of holes is to secure a screw to the mounting surface (tree or other surface) to ensure the box does not slide side to side when placed onto bracket one (I). Please refer to the item on our website. There is an image that shows the box mounted to a tree.
What is top strip of holes for ?
For brackets two & three (II & III)...one set of holes is to attach the bracket to the box, the other set of holes is to secure a screw to the mounting surface (tree or other surface) to ensure the box does not slide side to side when placed onto bracket one (I). Please refer to the item on our website. There is an image that shows the box mounted to a tree.