Product Description Function: 1. Precision and efficiency: Designed to work seamlessly with Philips, these blade chambers deliver accurate and efficient shaving results every time. 2. Durability: Made from high-quality materials, these blade chambers are built to last, ensuring you get the most out of every purchase. 3. Perfect maintenance: For those who want to keep their razor in top condition and achieve a consistent close shave, these replacement blades are the perfect choice. 4. Cost-effective: Ideal for those who want to avoid the hassle and cost of buying a new razor, these trimmers make it easy and affordable to maintain your grooming routine. 5. Total quality: The Philips set is an outstanding product, perfect for anyone seeking a smooth and comfortable shave with their razor. Made from high-quality materials, easy to install, and designed for precision and efficiency, these replacement blades deliver exceptional performance every time. Specifications: Model Number: Protective blade guide Supported Models: QP2520, QP2530, QP2630, QP6510, QP6520, QP2523 Product Size: 45x50x10mm/1.77x1.96x1.96inch Note: Due to the actual color and lighting effects of the product, the color may slightly differ from the images. Please allow 1-2 cm measurement tolerance due to manual measurement.