- Dental tool for removing broken canal instruments. - The tool combines new technology, fine quality and effective work. - BTR Pen makes the removal of broken dental instruments a predictable, universal and repeatable procedure. - The usage of the ultrathin and highly-elastic working tip, together with ultimate-endurance nitinol loop, makes it easy to get to the broken canal instrument. - The tool allows certain grip and safe removal of the broken canal instrument regardless of it’s position in the canal. - Diameter: 0.3 mm.