Custom dual taper tip designed from tungsten. Tip radius is 0.5 µm with 8 to 10° taper angle for maximum lifetime service. For use with AutoProbe™ 200. The reduced taper angle allows for extended needle life for those users who cut and reshape their needles in the FIB. Shank diameter is 0.508 mm (0.020). Needle length is 34.036 mm (1.34").