Compatible with Braun 40B, CT2S, CT4S, CT2CC, CT4CC, CT5CC, CT6CC High-Quality Materials: Made from premium materials for consistent, efficient, and reliable performance Optimal Shaving Performance: For best results, replace the shaving head every 18 months. Over time, performance may decline after trimming hundreds of thousands of hairs Advanced Processing Technology: Replacement head features precision engineering to enhance the shaver's performance and finish Restore Shaving Efficiency: Replacing the head helps restore your shaver to optimal condition, delivering a closer, more comfortable shave. Regular replacement extends the life of your shaver Color as shown Material: Plastic and Metal Package Includes: 2 x Shaving Heads Package contains only the items listed; other accessories not included Note: Lighting and monitor settings may cause slight color variations between the image and the actual product. Measurement may vary by +/- 1-3 cm