Exquisite and delicate, perfectly matched with the equipment. The diameter of the roller brush is 45cm, which is only suitable for 4-prong interior fittings (not suitable for 3-prong head). Check carefully before purchasing, please do not buy the wrong product. Strong and durable, long service life. Easily remove dirt, dust and debris from corners and sides, especially your hair and pet hair. Will not damage the floor and furniture and ensure quiet operation. Package content: 1 brush roller