Russian Double Edge Blades are some of the very best in the world. Russian blades are world renowned for their high quality. These Rapira Supersteel Blades are made of high quality swedish steel. These blades are sharp, durable, long-lasting and an excellent value. The Rapira blades have a strong following in the wet shaving community thanks to their cheap cost and effective performance. These Blades fit all traditional double edge razors. To avoid rapidly dulling the blade's sharp edge, remember to always rinse it after use, never wipe it.