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 cutting performance may decline after 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’s performance for a closer, more comfortable shave. Regular replacement keeps the shaver in optimal condition for years Color: As shown Material: Plastic + Metal Package Contents: 2 x Shaving Heads Note: Light shooting and different displays may cause slight color variations between the image and actual item. Measurement error allowed is +/- 1-3 cm