This Swiss Tech razor blades package of 10 replacement blades. High carbon steel blade fits all standard razor blade tools. Our blades are designed to minimize risk of cutting injury and protect your skin from damage. This Swiss Tech razor blades stays sharper, longer life than standard carbon blades. Swiss Tech Razor Blades - 10 Pack are engineered to fit Swiss Tech and most standard knives. 10 pcs of this set will ensure that you don't need to purchase again for a long time. What's more, talented design allows the blade to extend further to achieve more precise and effcient shaving.