This razor head set is specifically designed for compatibility with 5 Series models, including 30B, 31B, 31S, 51B, 51S, and 51SP. It delivers a precise and close shave, providing a smooth and comfortable grooming experience. Key Benefits: - Precision Shaving: High-quality blades ensure a close shave, reducing the need for multiple passes. - Durability: Designed for longevity, these blades maintain consistent performance, saving you time and money. - Easy Installation: Quickly replace old blades with a simple installation process, allowing you to get back to shaving in no time. Important Attributes: - Compatibility: Fits a range of 5 Series models for versatile use. - Functionality: Ideal for daily shaving or quick touch-ups, ensuring you always look your best. - Performance: Engineered for reliability, these blades provide a fresh look every time. Use Scenarios: - Daily Routine: Perfect for those who shave every day, offering comfort and efficiency. - Quick Touch-Ups: Ideal for busy individuals needing a fast and effective solution before meetings or events. - Travel-Friendly: Compact and easy to install, making it a great choice for travel grooming kits. Upgrade your shaving experience with this reliable razor head set, designed to keep you looking sharp and feeling confident.