SRA Cases EN-AC-FG-A022-FOAM-CB Pre-Scored Foam Block Insert for EN-AC-FG-A022 Hard Case, 17.5" x 12.5" x 3.7", Grey Pre-Scored Foam insert suitable for EN-AC-FG-A022 aluminum hard case Foam Dimensions - 17.5" x 12.5" x 3.7" (445x320x95mm) Foam density - 24kg per cubic meter