These Croma Diamant Double Edge blades are exactly what you need for a clean and precise shave. They are made in Germany since 1920, which is specifically known for their exceptional shaving products. The Croma Diamant double edge blades are often considered to be almost exactly the same as the Merkur brand, but come at a lower price. These highly praised blades provide a comfortable shave with unmatched results. It is recommended to change your blade once a week for the best results.