These Genuine Philips OneBlade 360 Replacement Blades are designed for optimal performance with your electric shaver and trimmer. The 4-pack ensures you have long-lasting sharpness for consistent results. Featuring 360-degree pivoting technology, these blades conform to the contours of your face, allowing you to trim, edge, and shave any length of hair, even in hard-to-reach areas. They are engineered for durability, maintaining their edge over time for a comfortable grooming experience.