Weitlaner Self-Retaining Retractor Sharp 3×4 Teeth, finger ring retractor with a cam ratchet lock used for holding back tissue and exposing a surgical site. It has curved shanks that lead to blades that have between two and six, sharp or blunt, outward curving prongs. The prongs interdigitate when the instrument is closed. The Weitlaner retractor is a popular instrument, most commonly used in basic plastic surgery, large bone and joint procedures, and mastoid surgeries. It is also useful with small, deep incisions and soft tissue dissection at a superficial level. This product has 3×4 blunt prongs and a length of 130 mm.