1 inch 25.4mm High Purity Carbon Cube 30grams 99.9999% Engraved Periodic Table

الوصف

Material: Graphite. Purity: 99.9999%. Dimension: 1 inch (25.4+/-0.1mm) cube. Surface quality: 6 sides fine ground. Theoretical weight: 30.31grams Net weight: 32.2 grams(approx.), 1.14oz.