Magpul Industries DAKA, Block Expansion Kit, Black, Includes (6) 3 Sections, (6) 2 Sections MAG1355-BLK The DAKA Block Expansion Kit is an additional set of DAKA Organizational Blocks that is compatible with the DAKA GRID Organizer line" providing even more versatility to your case. The Expansion Kit includes six Double Blocks and six Triple Blocks to secure additional items or provide extra support to your current GRID Organizer loadouts.