#14 STERILE CARBON STEEL BLADES (100CT) FOR SALE ONLINE. The Swann Morton No.14 carbon steel surgical blade is commonly used in aesthetic procedures like dermaplaning, which involves controlled surgical scraping to exfoliate the skin’s top layers. It can be used on small areas or the entire face and is often done before other treatments like chemical peels or microdermabrasion. These blades come in a box of 100 and are individually wrapped. They fit Size 3 Handles.