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 wear from trimming over 6 million hairs Advanced Processing Technology: Replacement head features advanced processing technology that enhances the shaver's overall performance and finish Restore Shaver Performance: Replacing the head helps restore your shaver to optimal condition, delivering a closer and more comfortable shave. Regular replacement ensures long-term peak performance Color: As shown Material: Plastic + Metal Package Contents: 2 x Shaving Heads Note: Light reflection and display differences may cause slight color variation between the image and actual item. Measurement may vary by +/- 1-3 cm