1. Suitable for 40B: CT2S, CT4S, CT2CC, CT4CC, CT5CC, CT6CC 2. High-Quality Materials: Made from high-quality materials for continuous, efficient, and easy-to-use performance 3. Optimal Shaving Performance: For best results, replace the shaving head every 18 months. After 18 months, trimming performance may gradually decrease due to wear from shaving over 6 million hairs 4. Advanced Processing Technology: Replacement head features advanced processing technology designed to enhance the performance of your shaver 5. Restore Shaver Performance: Replacing the head helps restore your shavers performance for a closer, more comfortable shave. Regular replacement keeps your shaver in optimal condition for years Color as shown Material: Plastic + Metal Package Contents: 2 x Shaving Heads Note: Light and display differences may cause slight color variations between the image and the actual item. Measurement error allowed is +/- 1-3 cm