[Product Compatibility]: Fits Norelco RQ11 2D models: RQ1150, RQ1151, RQ1155, RQ1160, RQ1180, RQ1190, RQ1160CC, RQ1180CC, RQ1131, RQ1141, RQ1145, RQ1175, RQ1195, RQ1150X, RQ1160X, RQ1180X, RQ1185, RQ1190X, RQ1195 and more. [Smooth Shaving]: Three 360-degree floating heads conform to the contours of the face, allowing closer contact with beard hair and effectively adapting to different facial angles for a close shave. Easily handles various facial contours and beard growth patterns. [Anti-Allergic]: Made with skin-friendly materials and processes, the shaving heads and foils are designed to minimize skin irritation and are suitable for all skin types, reducing the risk of allergic reactions. [Installation Tips]: The RQ11 shaving head is wear-resistant, reducing the need for frequent replacements. After installation, apply a small drop of oil to each head and run the razor for 10 seconds to ensure smooth operation. Color: Black + Silver Material: Plastic + Metal Package Contents: 2 x Shaver Head, 2 x Cleaning Brush Note: Light shooting and different displays may cause slight color variations between the image and the actual item. Measurement error is +/- 1-3 cm.