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 best results, replace the shaving head every 18 months. Over time, cutting performance may decline after trimming over 6 million hairs Advanced Processing Technology: Replacement head features advanced processing technology that enhances the overall texture and performance of your shaver Restore Shaver Performance: Replacing the head helps restore your shaver’s performance for a closer, more comfortable shave. Regular replacement keeps your shaver in optimal condition for years Material: Plastic + Metal Color: As shown Package Includes: 2 x Cutter Head 1 x Cleaning Brush Note: Only the items listed are included. Other accessories are not included. Lighting and monitor settings may cause slight color variations between the product and the image. Measurement may vary by +/- 1-3 cm.