When you need to transport a large quantity of mail tubs at one time, the Platform Tilt Truck Tub Insert Rack is perfect for the job. Redesigned from the original insert for flats, the same solid construction keeps the rack together while keeping the tubs held securely in place. The five compartments on either side allows for 20 tubs to be held on each side. This insert rack for tubs features a 40 tub rack capacity, steel base, and replacement dividers.