Suitable for 5 series, 6 series, and Cheetah series models: 50-R1000s, 50-B1300s, 50-R1320s, 50-R1300s, 50-M4000cs, 50-M4200cs, 50-M7200cc, 50-W4320cs, 50-B7000cc, 5018S, 5020S, 5035s, 5049s, 5050cs, 6075cc, 6020s, 6040cs, 6072cc, 6075cc, 6090cc, 7020s, 7025s, 7027cs, 7071cc, 7075cc, 7085cc, 7089cc. High-quality materials: Made from high-quality materials for continuous, efficient, and easy-to-use performance. Optimal shaving performance: For best results, replace the shaving head every 18 months. Over time, the cutting performance may decline after trimming hundreds of thousands of hairs. Special processing technology: The replacement head features advanced processing technology to enhance compatibility and performance with your shaver. Restore performance: Replacing the head helps restore your shaver’s original performance and provides a closer, more comfortable shave. Regular replacement ensures long-term durability and optimal operation. Color as shown Material: ABS + metal Package contents: 2 x Blade 1 x Cleaning Brush Only the above package content; other products are not included. Note: Light and display differences may cause slight variations in color between the image and the actual item. Measurement allowance is +/- 1-3 cm.