Similar to the previous models but specially designed for sliding body trays. Rectangular steel stainless tube frame (60 mm x 30 mm) with 5 set of 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. - Resistant to scratches. - Highly resistant to water chemical products. - 4 x 100 mm diameter pivoting wheels, 2 of them with brakes. Ball-bearing system. Can be used from -20°C to +60°C.