6-Pack K9 Crystal Blank Blocks for 2D & 3D Laser Engraving, 1.97 x 1.97 x 3.15 Inches Clear Glass Cubes for Subsurface Photo Gifts, Professional Grade Crystal Blanks for DIY Custom Awards & Keepsakes

Material: Premium Grade K9 Optical Crystal Dimensions: 1.97 x 1.97 x 3.15 Inches (50 x 50 x 80 mm) Compatibility: 2D Surface & 3D Subsurface Laser Engraving Packaging: Individual Protective Wrap + Shockproof EPE Foam (Pearl Cotton)

• [Premium K9 Crystal] :Made from high-grade K9 optical crystal with superior clarity and high refractive index. Unlike ordinary glass, it provides a professional, brilliant finish for high-end engraving results.
• [2D & 3D Laser Ready] Specifically designed for both surface and subsurface (inner) laser engraving. The bubble-free, high-purity material prevents cracking, making it perfect for detailed 3D photo crystals.
• [Enhanced EPE Protection] Each block is individually wrapped and secured in shockproof Pearl Cotton (EPE foam). This upgraded packaging prevents scratches and breakage during transit, ensuring 100% integrity.
• [Standard Size] The 50x50x80mm rectangular cube is the ideal size for custom 3D photos, corporate awards, and memorial keepsakes. Fits perfectly on any desk or display showcase.
• [Value 6-Piece Set] Includes 6 precision-polished crystal blanks. A cost-effective choice for engraving businesses and DIY hobbyists looking for consistent, mirror-finish quality.