1. Compatible with Braun Series 5 Razors: The 52S replacement head is designed for Braun Series 5 razors, including models such as 5190cc, 5090, 5090cc, 5197cc, 5195cc, 5147s, 5145s, 5070, 5070cc, 5050cc, 5040, 5000cc, 5040, 5000cc 40s, 5140s, 5030, 5030s, 5020, and 5020s. 2. Material: The stainless steel mesh seamlessly conforms to your skin, delivering an effortless and irritation-free shaving experience. Rigorous quality control ensures durability and reliability. Enjoy every shave! 3. Blade Technology: The Series 5 replacement head features three floating blades, precision comb technology, and a bionic mesh design for a smoother, more comfortable shave. The adaptive blades gently glide over the skin, removing hair painlessly and thoroughly, while the rounded head design helps prevent nicks and cuts. Stay fresh and clean all day long. 4. Easy Installation: Replace your shaving head in just 3 seconds with a simple click. Once installed, your razor will perform like new, restoring 100% of its efficiency.