用于四层HDX塑料货架单元的简易顶盖更换操作。

专为 https://www.homedepot.com/p/HDX-4-Tier-Plastic-Garage-Storage-Shelving-Unit-in-Black-28-in-W-x-52-in-H-x-15-in-D-17307263B/202520643 设计的货架。