Fitment: for FC7, FC7 Premium, FC5, FC5 Premium, FC5 Wireless, FC5 Premium Wireless, FC3 Wireless, FC3 Premium Wireless. Only suitable for very robust hard surfaces such as stone or tiles, as hard plastic bristles are incorporated between the microfibers; not suitable for soft surfaces such as wood or natural stone like marble. 100% high-quality microfiber, machine washable up to 60°C, do not use fabric softener. The hard bristles help clean heavy dirt on surfaces and in joints. Thanks to the integrated bristles, the stone roller set effortlessly removes stubborn dirt and allows joints and uneven surfaces to be cleaned effectively. The wheels are quick and easy to attach, enabling simultaneous washing and vacuuming of hard floors, leaving them perfectly dry in minutes. Specifications: Replacement Part Number: 2.055-021.0, 20550210 Size: 150 x 60mm Material: plastic + velvet Color: as shown Package Contents: 4 x roller brush Only the above package content is included; other products are not included. Note: Light and display differences may cause slight color variations between the image and the actual item. Measurement error allowed is +/- 1-3 cm.