1 Pcs 5mm 10mm 12mm 15mm 18mm 20mm Pure Tungsten Cube, Block Metal Cubes Suitable for Element Collections, DIY Teacher Science Creative Gift(5x5x5mm)

1: Multiple sizes available: Various dimensions from 5x5x5mm , 10x10x10mm , 12x12x12mm , 15x15x15mm , 18x18x18mm , 20x20x20mm to meet different needs. 2: High-purity material: Contains 99.95% pure tungsten, ideal for element collection, DIY, experiments and material display. 3: Excellent characteristics: With the chemical symbol W, this metal features high hardness and high melting point. 4: Superior performance: High density and strength, often used in manufacturing high-temperature, high-pressure and high-load components and tools. 5: Versatile applications: Suitable for making filaments, high-speed cutting alloy steel, super hard molds, as well as optical and chemical instruments., Manufacturer: BTBTB