COMFORTABLE CLOSE SHAVE: The electric HQ8 series shaving heads feature upgraded double-layer premium fine steel blades that are sharp yet gentle on the skin, providing a close and comfortable shave. Easy to clean and replace; it is recommended to change blades every 6 months for optimal performance. DUAL PRECISION TECHNOLOGY: Replacement heads for Philips electric shavers include a dual precision cutting system with lift and cut technology. Ultra-thin heads with slots effectively shave long hairs. 100% BRAND NEW AND PREMIUM QUALITY: 3PCS per lot, these rotary shaver head replacements are made from high-quality premium fine steel materials, ensuring durability and long-term use. COMPATIBLE WITH MODELS: HQ8445, HQ8825, HQ8830, HQ8845, HQ8850, HQ8865, HQ8870, HQ8875, HQ8880, HQ8885, HQ8894, HQ8890, HQ8140, HQ8155, HQ8160, HQ8170, HQ8240, HQ8260, HQ8270, HQ7120, HQ7140, HQ7160, HQ7180, HQ7290, HQ7240, HQ7320, HQ7340, HQ7360, HQ7380, HQ7390, HQ7310, HQ7100, HQ720, HQ6075, HQ6090, HQ6095, HQ6070, HQ6071, HQ6073, HQ6080, HQ5705, HQ5710, HQ5715, HQ9070, HQ9080, HQ9090, HQ9190, HQ9160, HQ9170, PT710, PT715, PT720, PT725, PT730, PT735, PT860, PT870, PT830, PT875, PT880, PT810, PT815, AT810, AT811, AT830, AT880, AT890, AT899, AT750, AT751. NOTE: These shaver head blades are not manufactured by Philips. However, they are designed to be compatible with Philips models and offer reliable performance.