5-Blade Structure: A 5-blade system using high-quality stainless steel for a closer shave and comfortable use. Set of 20: An economical, large-capacity pack for long-term use, offering a cost-effective blade replacement set. Smooth Shaving: Special coating reduces skin irritation and provides a smooth shave. Compatibility: Universal design compatible with common 5-blade razors for easy attachment. This product is applicable to Gillette, but is not a related brand of Gillette.