1. Compatibility: 53B shaving head is compatible with Braun Series 5 models including 5018S, 5090, 5190cc, 5140s, 5147s, 5145s, 5195cc, 5197cc, 5020s, 5030s, 5040, 50400s, 5050, 5050cc, 5160s, 5070cc, 5768, 5769, 5748, 5749, 50R1000s, 50B1300s, 50R1320s, 50R1300s, 50M4000cs, 50M4200cs, 50M7200cc, 50W4320cs, 50B7000cc, as well as Series 6 models such as 6020s, 6075cc, 6072cc, 6040cs, 6090cc, and others. 2. Skinfriendly design: The Braun Series 5 shaving heads feature a stainless steel mesh. Their precise contour adaptation ensures a close shave without pulling or irritation, even for sensitive skin. Enjoy a comfortable and safe shaving experience that protects and nourishes your skin. 3. quality material: Crafted from ABS and rustproof stainless steel, these replacement shaving heads boast a fine mesh design with flexible blades that conform to facial contours for maximum cutting efficiency. They offer exceptional durability and robustness. 4. Efficient performance: For a smoother and better fit on the skin, the Braun S5 Easy Clean shaving head incorporates a precision cutting system and advanced cutting technology, enabling a 360degree shave that delivers a closer, more comfortable shave.