This 5 pack of nylon brushes are designed to enhance your steam cleaner's cleaning power by giving you the ability to scrub away stubborn, stuck-on dirt and grime. The nylon bristles offer scrubbing power, without scratching surfaces such as tile, porcelain, natural stone, formica, and other hard surfaces, and features long nylon bristles in order to penetrate into hard-to-clean areas. It is always recommended to spot test any surface in an inconspicuous area prior to scrubbing to ensure scratching does not occur. This Long Nylon Brush, part number A275-003, works with model MC1275.