Castroviejo Needle Holder Tungsten Carbide Insert Jaws is used to hold and manipulate the needle during the suturing process of narrow and small areas. They are commonly used in oral nasal surgeries of the animals. These tools are available in many variants. This surgical instrument is a needle holder with ratchet technology. The serrated inserts maximizes control and precision during surgical procedures. It has a high grade German stainless steel body with cross-serrated tungsten carbide jaws and long handles which gives amazing hold during procedures. Needle Holders, Castroviejo, Tungsten Carbide Insert Jaws is lightweight and long-lasting.