Suitable for Braun 40B: CT2S, CT4S, CT2CC, CT4CC, CT5CC, CT6CC High-Quality Materials: Made of 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, the shaver may cut more than 6 million hairs, which can gradually reduce cutting efficiency Advanced Processing Technology: Replacement head features advanced processing technology that enhances the overall performance of your shaver Restore Shaver Performance: Replacing the head helps restore your shaver’s performance and provides a better shaving experience. Regular replacement keeps the shaver in optimal condition for years Color as shown Material: Plastic + Metal Package Contents: 2 x Shaving Accessories Package includes only the items listed above; other products are not included Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement error allowance is +/- 1-3 cm