The Wilkinson Sword Hydro 3 Blades With Hydrating Gel is a set of 8 refill cartridges that are designed specifically for the Wilkinson Hydro 3 razor. Made from stainless steel, these blades are 4 cm in length and 0.9 cm in width, providing a comfortable and efficient shaving experience. The black cartridges come in a pack of 2 and are made in Germany by the trusted brand Wilkinson Sword. Perfect for men looking to achieve a close shave on their face, these cartridges are a must-have for those who prefer the convenience of blade cartridges.