Suitable for 5 series models: 5020, 5020S, 5030, 5030S, 5040, 5040S, 5050, 5050CC, 5070, 5070CC, 5090, 5090CC, 5748, 57492. High-Quality Materials: Made of selected high-quality materials for continuous, efficient, and easy-to-use performance. Best Shaving Effect: For optimal shaving results, replace the shaving head every 18 months. Over time, performance may decline after trimming approximately 6 million hairs. Special Processing Technology: Replacement head features special processing technology that enhances the appearance and texture of your shaver. Restore Performance: Replacing the head helps restore your shaver’s performance for a closer, more comfortable shave. Regular replacement maintains long-term performance. Color: As shown Material: ABS + Metal Package Contents: 1 x Shaving Head Note: Light shooting and different displays may cause slight color variations between the image and actual item. Measurement error is +/- 1-3 cm.