The shelf your organizers sit on. One adaptor per drawer, sized by depth, holds the organizers you stack on it. Read your drawer's ribs to pick the right one.

Milwaukee Packout deep drawer fitted with the black three-piece Mountaineer Maker drawer adapter

Milwaukee Packout Drawer Adapter for Socket Organizer Inserts, Fits 48-22-8443, 48-22-8442 and 48-22-8447 Medium and Deep Drawers, 3-Piece Set

$15

Shallow-drawer adapter seated in a Milwaukee Packout drawer with the tool box lid open above it

Milwaukee Packout Drawer Adapter for Socket Organizer Inserts, Fits 48-22-8444 and 48-22-8447 Shallow Drawers, 2-Piece Set

$15