Heavy Duty: The WORKPRO socket tray features a high-quality aluminum rack and high-quality nylon clip holder with a spring-loaded steel bead that securely snaps the socket onto the clips and withstands repeated use | Magnetic Socket Rail: The magnetic socket rail secures the sockets in their designated places. They won't fall out even if you turn the socket tray upside down. They also allow you to attach the socket tray to any steel surface | Rotatable & Moveable Black Clips: The black clips on the socket tray have a 360-degree rotation and left/right movement function, it helps you to rotate the socket on the square head to see the required specification more easily, improving your work efficiency | Large Capacity: The socket organizer has a length of 13.2 inches and comes with 10 pieces of 3/8" drive ball-bearing clips. Aluminum socket rails have proper grooves in the surface for smooth sliding of the clips | Efficient Organization and Storage: Easy to organize outlets in your garage area. Maximize storage space and keep tool areas neatly organized so you can find any outlet of any size you need. The hanging hole in the base of the socket allows for better wall storage, while it also attaches to the side of a tool cabinet, tool drawer, or any steel surface