Suitable for Braun 40B: CT2S, CT4S, CT2CC, CT4CC, CT5CC, CT6CC. High-Quality Materials: Made from selected high-quality materials for continuous, efficient, and easy-to-use performance. Optimal Shaving Performance: For best results, replace the shaving head every 18 months. After 18 months, shaving efficiency may decrease due to normal wear from cutting over 6 million hairs. Advanced Processing Technology: Replacement head features advanced processing technology that enhances the overall performance and finish of your shaver. Restore Shaver Performance: Replacing the head restores your shaver’s performance, providing a closer and more comfortable shave. Regular replacement helps maintain long-term shaver performance. Color: As shown Material: Plastic + Metal Package Contents: 2 x Shaving Heads Note: Lighting and monitor settings may cause slight color variations between the image and actual item. Measurement may vary by up to +/- 1-3 cm.