Compatibility Guaranteed: Specifically designed as a replacement for models HS01/05, this firm smoothing brush aligns perfectly with part no.971892-07. It ensures seamless compatibility and functionality, making it an essential for your styling toolkit. Master Thick & Coarse Hair: Engineered to tame even the most unruly hair types, this firm smoothing brush for the system delivers a sleek, straight finish. It's the ideal tool for managing thick, coarse hair, transforming it into smooth, flowing locks with each stroke. Advanced Frizz Reduction: Achieve visibly smoother hair with reduced frizz thanks to this innovative brush. It works to align and smooth each strand, enhancing shine and softness while minimizing static and flyaways for a professional-quality finish. Smart Airflow Technology: Featuring automatic airflow adjustment, this brush adapts to the direction of your brushing. This smart feature ensures a consistent, even finish across your entire head, promoting optimal styling conditions and results. Versatile Daily Styling: Not just for straightening, this attachment is perfect for everyday hair care. Whether you're smoothing, straightening, or simply combing through your hair, it offers a versatile solution that maintains the health and beauty of your locks. Color: Material: ABS Package Contents: 1*Smoothing comb Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.