Universal replacement razor blade heads for most 5-head razors. Not compatible with Skull rotary razors. Compatible with Remington razors with 4 heads or above. Rotary 4D cutter head with double ring blade and three-dimensional cutter head structure. Five large flexing rotary blades allow efficient, close shaving for all types of skin, closely following all contours of the head and face. Easy to use—simply snap on and shave. Washable and easy to clean. Each blade has independent rotation for better access to difficult areas. . Made of high-quality materials, durable and practical. Easy to install—clean the razor before installation. Floating foil technology for a cleaner and faster shave. Specifications: Item Type: 5 Head Shaver Blade Heads Material: Metal and Plastic Color: Gold, Blue, Gray, Black Application: Shaving, Barber Use Size: Approx. 5.5 x 3 cm Suitability: Universal Package Includes: 1 x 5 Head Shaver Blade Heads Note: 1 cm = 10 mm = 0.39 inch Due to differences in monitor displays and lighting effects, the actual color may vary slightly from the images shown. Thank you. Please allow 1-3 cm measurement deviation due to manual measurement.