Precision carbon blades manufactured of high-grade surgical carbon steel resulting in exceptional durability and sharpness. Blades are packaged 100 per box, non-sterile and individually wrapped. Cincinnati Surgical Blades are designed for optimal performance with Cincinnati Surgical Blade Handles. It's important to ensure that the right blade is paired with the right handle. Size 60 and 70 blades (CS-B60, CS-B70) should be paired with a #8 handle (CS-H8). CS-B70 feature a blunt tip. Size 22 blades (CS-B22) should be paired with a #4 handle (CS-H4).