Techron Surgical’s Antrum Backbiting/Backbiter/ Rhinology Punch Forceps, a backward cutting forceps is an essential tool in Sinus Surgery Procedures. The punch is designed for cutting/ dissecting enlarged tissues/ polyps and enlargement of the bony sinus. In Rotatable Antrum Backbiting Punch knurled knob facilitates 360° degree rotation to the working shaft. Fixed backbiting punch lets you bite on a fixed direction. However rotatable backbiting can be used in all the directions. It is available in adult and pediatric sizes.