Tray Trucks offer easy shelf adjustment, quick access and excellent visibility of contents. Lightweight, all-welded 6063-T5 1-1/2″ tubular Aluminum Trucks have 1-1/4″ tray slides and offer a Lifetime Limited Warranty against rust and corrosion. Rolls easily on 2 swivel, 2 rigid 5″ polyurethane casters (2 with brakes). Not NSF Approved. Trays sold separately.