Similar to the previous models but specially designed for sliding body trays. Rectangular steel stainless tube frame 60 mm x 30 mm with 5 PVC rollers with spring system set into two lateral bars, and fixed on the upper part of the trolley. Brake system for tray included. These PVC rollers provide many advantages in comparison to a steel one, they: - reduce noise, are: - easy to clean. - resistant to corrosion. - very light. - good resistant to chemical products.