The Swann Morton Red Box - Carbon Steel Sterile Blades - Box of 100 - No.20 is a high-quality surgical blade manufactured by a renowned company. The blade is made of carbon steel, which is known for its durability and sharpness. The blade is sterile, ensuring that it is free from any harmful bacteria or viruses that could cause infections. The box contains 100 blades, making it a cost-effective option for medical professionals who require a large number of blades. The No.20 blade is a popular choice for surgical procedures that require precision and accuracy. The blade is compatible with a range of surgical handles, making it a versatile option for medical professionals. The Swann Morton Red Box - Carbon Steel Sterile Blades - Box of 100 - No.20 is an essential tool for any medical professional who requires a reliable and high-quality surgical blade.