To use this 48 inch working width brush attachment, the SCH 48 inch Grass Care System Carrier Frame the basic unit to which the slitter has to be attached must also be purchased.The brush attachment will brush into lawns top dressing and lawn sand. It will put those much admired stripes into the lawn. It can also be used on artificial playing surfaces.Working Width 1219mm 48inchesManufacturer's 1 year warranty.