[High Precision Cutting System]: The blades compatible with philips HQ8 replacement heads are dual precision cutting system with lift and cut technology. 360 degrees without dead ends. Gently remove your beard, painless and cleaner, the round head design perfectly protects your skin from scratches. [Comfortable Close Face Touch]: The upgraded HQ8 Replacement heads have an ultra-thin head, with a slot for shaving long beards, and a hole for shaving the shortest stubble. Ensure that there is no residue after shaving. The ComfortCut Blade System with rounded profile heads slides smoothly across your skin while protecting it from nicks and cuts. [Packages & Services]: 3Pcs HQ8 replacement head (Foil & Cutter). Any questions, please do not hesitate to write us, we will be glad to serve you. [Easy Replacement & Installation]: Easy to take off and replace a new head- just two minutes. After installation, put a drop of oil on each nozzle and run for 10 seconds to get the best experience. It's recommended that you replace the shaving head every 12 months to get the max shave performance. [Compatible with Multiple Series]: Compatible with norelco HQ8 replacement heads for Aquatec ShaversHQ8870,HQ8880,HQ8882,HQ8890,HQ8894