The MILWAUKEE 47pc Storage Tray is designed to fit MILWAUKEE 47-Piece 1/2 inch Drive socket set into the MILWAUKEE PACKOUT Organizer. The storage tray fits within Milwaukee PACKOUT Organizer for ultimate organization. The clear organizer lid and color-coded tray provide easy parts and hand tool identification. When the trays are placed within a PACKOUT Organizer the tray will have IP54-rated protection. The storage trays FIT ONLY Milwaukee FOUR FLAT Sides Sockets.