Material: carbon steel. Sterile For scalpels by BAYHA ® (Art. No. EX64.1ff). Scalpel blades BAYHA ® sterile Individually packed in special film. Intended purpose: sterile BAYHA ® scalpel blades are designed to fit in treated BAYHA ® scalpel holders. Sterile scalpels are intended for skin incisions (cuts to the skin surface) on the human body. Medical device class IIa ID: 0123