This product is a compatible replacement. Although this product is not a genuine product, it provides sufficient performance and user experience, so please check your model carefully before purchasing. Compatible models: Replacement blades specifically for Series 8, compatible with 8320s, 8325s, 8325s-V, 8340s, 8340s-V, 8345s, 8345s-V, 8350s, 8350s-V, 8359s-SP, 8360cc, 8365cc, 8370cc, 8370cc-V, 8385cc, 8390cc, 8390cc-V, 8391cc, 8391cc-V, 8410s, 8413s, 8417s, 8460cc, 8463cc, and 8467cc, among others. Easy installation: Easy to install, requiring no additional tools or effort. It can be quickly attached to the shaver body, providing a comfortable shave without hassle.