Click to expand Tap to zoom Gilder GA300 TEM aperture grid, 300um hole Cu (AU-21-1GA300) / Ni (AU-21-2GA300) /Au (AU-21-3GA300) SKU AU-21-1GA300 Original price $75.90 - Original price $75.90 Original price $75.90 $75.90 - $75.90 Current price $75.90 | / Choose a variant 100 - $75.90 Units per package: 100 100 Quantity Add to cart