The No.15 blade has a small curved cutting edge and is the most popular blade shape ideal for making short and precise incisions. It is utilised in a variety of surgical procedures including the excision of a skin lesion or recurrent sebaceous cyst and for opening coronary arteries. The No.15 fits Handles 3, 3L, 3 Graduated, 5B, 7, 9, B3 and B3L.