Suitable for 5 Series 6 Cheetah models: 50-R1000s / 50-B1300s / 50-R1320s / 50-R1300s / 50-M4000CS / 50-M4200CS / 50-M7200cc / 50-W4320CS / 50-B7000cc 5018S 5020 S 5 03 5s 5049s 5050cs 6075cc 6020s 6040cs 6072cc 6075cc 6090cc 7020s 7025s 7027cs 7071cc 7075cc 7085cc 7089cc. High-quality materials: Made of high-quality materials to achieve continuous, efficient and easy-to-use features. Optimal shaving results: For continued optimal shaving results, we recommend replacing the shaving heads every 18 months. In 18 months, an electric shaver can cut more than 6 million hairs, and the cutting efficiency gradually decreases. Special processing technology: The replacement head adopts special processing technology to highlight the texture of the shaver. Restore performance: Replacing the heads can restore your shaver's performance and get a better shave. By replacing the heads regularly, your shaver will stay in top condition for many years. Color: as shown in the picture Material: ABS + metal Package contents: 2 * Shaving accessories Only the above package contents, other products are not included. NOTE: Light reflections and different monitors may cause the color of the item in the photo to differ slightly from the actual item. Allowed measurement error is +/- 1-3 cm.