1. Applicable to Series 5 models: 5020, 5020S, 5030, 5030S, 5040, 5040S, 5050, 5050CC, 5070, 5070CC, 5090, 5090CC, 5748, 57492. 2. High - quality materials: It is made of high - quality materials, featuring durability, high efficiency, and ease of use. 3. Optimal shaving results: To consistently achieve the best shaving results, we recommend replacing the razor head every 18 months. Within 18 months, your electric razor can trim over 6 million hairs, after which the trimming performance will gradually decline. 4. Special processing technology: The razor head uses a special processing technology, which enhances the texture of the razor. 5. Restore performance: Replacing the razor head can restore the performance of the razor and achieve better shaving results. By regularly replacing the razor head, the razor can maintain its optimal state for many years. 6. Color: As shown in the picture. 7. Material: ABS + metal. 8. Package contents: 2 shaving accessories. The package only includes the above - mentioned contents and no other products. Note: Due to light reflection and different displays, the color of the items in the picture may vary slightly from the actual product. A measurement error of +/- 1 - 3 cm is allowed.