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. Over time, cutting performance may decline after trimming over 6 million hairs within 18 months Advanced Processing Technology: Replacement head features advanced processing technology that enhances the overall quality of your shaver Restore Shaver Performance: Replacing the head restores your shaver’s performance and delivers a superior shave. Regular replacement helps maintain peak condition for years Color as shown Material: Plastic + Metal Package Contents: 2 x Shaving Accessories Note: Light shooting and different displays may cause slight color variations between the image and the actual item. Measurement error allowance is +/- 1-3 cm