HEAVY DUTY ROAD CASE · Top load design · 1/2” Plywood · Black ABS Exterior · 4 x 4” 400lb Red Wheels · 4 Large Spring Loaded Latches · 8 Large Spring Loaded and Recessed Handles · 8 Flat Corners · 3/4” Caster Board · 1/2” Partition with Aluminum U-Channel · Custom Foamed and Carpeted Interior · Extra Space in Lid for Trigger Clamps · Tongue and Groove Sealing Extrusion · 4” Wide Fixture Foam Support in Lid · All Lids Are Interchangeable · Stacking Dishes on Lid