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. After 18 months, trimming efficiency may gradually decrease due to wear from cutting over 6 million hairs Advanced Processing Technology: Replacement head features advanced processing technology that enhances the overall performance of your shaver Restore Shaving Efficiency: Replacing the head helps restore your shavers performance and delivers a closer, more comfortable shave. Regular replacement keeps your shaver in optimal condition for years Color as shown Material: Plastic + Metal Package Includes: 2 x Shaving Accessories Contents limited to items listed above; other products not included Note: Lighting and display differences may cause slight variations in color between the image and actual item. Measurement error allowed within +/- 1-3 cm