Specification: Features: 1. Made from quality plastic materials, good toughness, sturdy and durable. 2. Specially designed for floor cleaning, practical to use. 3. Clean brushes will keep your home robot running at peak performance. 4. Delicate and soft roller brush, can be adjusted and rotated, effectively cleaning dust and polishing the floor. 5. Suitable for old version of A6 A4 A4s robot vacuum cleaner. Specification: Condition: 100% Brand New Material: Plastic Color: As pictures shown Applicable: for A6 A4 A4s old version. Size: about 160*40*40mm/6.3*1.6*1.6in Weight: about 50g/1.8oz Package List: 1 * Main Brush Note: 1. Please allow 0-1 inch error due to the manual measurement. Thank you for understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.