By simply buying larger package sizes of AFM probes, you automatically get a built-in quantity discount compared to the smallest packaging size.
FIL-FEI-CD-W
FEI-Philips Base Tungsten Filaments
Product Description
FEI-Philips Base Tungsten Filaments for FEI SEM/TEM, Philips PSEM 500 and later, Philips EM200 TEM and later systems. - Ceramic Disc Diameter: 26.0mm - Pin Diameter: 1.0mm - Pin Pitch: 5.0mm Box with 10 filaments.