Sharpen tungsten needle

99.95% wolfram , pure tungsten electrode needle,tungsten electrodes Sharpening Tungsten needle

1.Description of tungsten needle
tungsten needle  with high density
2.Size of the  high pure tungsten needle
Dia 1.5*7mm, 1.5*l8mm,  1.5*9mm, 2.0*15mm or according to request.
3.usage of the tungsten needle: for hard material filar guide,electronic component and lamp using electrodes ect.