synthetic mono diamond crystal
Hardness:10 mohs
Very clear purity crystal and very small cracks
1 sharp point and high impact resistance
Available size:1.0MM,1.2MM,1.4MM,1.6MM,1.8MM,2.0MM,2.2MM,2.4MM,2.6MM,2.8MM,
3.0MM,3.2MM,3.4MM,3.6MM,3.8MM,4.0MM,4.2MM