The Intermetro 9986Z Split Sleeves with Zinc Rings are replacement components designed for compatible Metro shelving systems. This 4-pack includes aluminum split sleeves with zinc rings that help secure shelf supports to shelving posts. They provide a stable connection and help keep shelves properly positioned during use. These components are useful when existing sleeves are worn, dam... https://partsfe.com/supportshelf-alummetro-4-pk-9986z/1-9986Z.html