The Gator G-TOUR10UCASTATA 10U Cast ATA Wood Flight Rack Case is made from 9mm plywood with a PVC exterior with 3.2mm thick front and rear rack rails, and 4 fixed, heavy-duty 4 inch casters, 2 of the casters are able to lock. This cast flight rack case features red recessed twist latches with spring-loaded rubber-gripped handles, and heavy-duty commercial grade plated hardware and reinforced stackable ball corners.