The Aven 44044 #15 blade has a small curved cutting edge and is the most popular blade shape ideal for making short and precise incisions. Made from non-sterile .015" thick stainless steel these blades are ideal for precision cutting in micro circuitry, photography, art, etc. Blades are made from surgical quality stainless steel and are supplied 2pc per tube. These blades can be used with a plastic or stainless steel handle #3.