Get the Diced Foam Block for Rackworks Standard-Depth 3 RU Drawer from Gator Cases as a replacement piece, or for one that you wish to reconfigure. The foam is configured as diced 1/2″ pluck made from layered polyurethane.
Gator GRW-DRWFOAM-3 Specs
Materials Layered polyurethane, diced 1/2″ pluck foam
Dimensions 15.0 x 16.25 x 4.75″ / 38.1 x 41.28 x 12.1 cm