Freewheeling function of the wheels: spreads only when pushed, no application when pulled backwards.Use to apply fertilizer, seeds, lime, winter grit, salt, sand and chippings.International dosage table: simply adopt the setting for standard fertilizer from the table to achieve the correct dosage.With tractor profile wheels: for optimum grip on a wide range of surfaces whatever the application.Made of high-quality plastic, corrosion-resistant and crack-proof.