The MILWAUKEE® 106pc Storage Trays fit Milwaukee's 50pc 1/4" Drive and 56pc 3/8" drive socket sets into the PACKOUT™ Low-Profile Organizer. The storage tray fits within PACKOUT™ Low-Profile Compact Organizer for ultimate organization. The clear organizer lid and color-coded tray provide easy parts and hand tool identification. When placed within a PACKOUT™ Organizer the trays will have IP54-rated protection.