主权项 |
1. A device comprising:
A support for inserting into a hollow ladder rung, wherein a part of the support fits inside the hollow ladder rung with a first section that has a generally square shape; and a second section that is generally D-shaped; and A tool holder coupled to the support, the tool holder comprising: A first portion substantially parallel to the support and coupled to the support, and A second portion connected to the first portion, the second portion having a shape with an opening. |