This insert is designed to hold:

• M12 Installation Driver 2505-20
• Right Angle Driver Head
• Offset Driver Head
• Drill Chuck Head
• 1/4" Hex Chuck Head
• (1) Large Format M12 Battery

It also features:

• (4) slots for storing longer bits under the driver
• (1) L-shaped slot good for bits up to 4" long
• (1) open well, 1.5" x 8.5" (can hold 2 small format M12 batteries)

It is available with a Systainer ID Tag that says M12 INSTALL DRIVER on it. 

It fits in a Sortainer or Combi Short Drawer.  These drawers are included in many Systainer units and can be purchased HERE.

The insert occupies about 2/3 of the drawer, leaving plenty of room for bit indexes.