... 20mm Length :50-1500mm Application:making filament,setting rod at H.T.etc tungsten RodsHigh Purity :tungsten 99.96% ... -20mm Length :50-1500mmApplication:making filament,setting rod at H.T.etcType &Application TypeapplicationWAl1Applied for making filament,cathodes,setting ... rod at Ht,electrode,lead,support,typing ,needle ,etc ...