Compatible with 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 the best shaving results, we recommend replacing the shaving head every 18 months. After 18 months, the shaver's ability to cut hair may decline due to normal wear Advanced Processing Technology: The replacement head features advanced processing technology that enhances the overall performance of your shaver Restore Shaver Performance: Replacing the head helps restore your shavers performance for a closer, more comfortable shave. Regular replacement keeps your shaver in optimal condition for years Color as shown Material: Plastic and Metal Package Includes: 2 x Shaving Heads Contents based on package only; other items not included Note: Lighting and monitor settings may cause slight color variations between the image and actual product. Measurement may vary by +/- 1-3 cm