0.25g/pc R:6.5mm
Total weight:0.92g/pc Stone weight:0.50g/pc T*R:4*10mm
Total weight:0.658g/pc Stone weight:0.37g/pc T*R:3.9*8mm
total weight:0.28g/pc stone weight:0.15g/pc T*R:2.9*6mm
0.016g/pc 0.80 hole
0.023g/pc 0.9mm hole
0.032g/pc 1.2&0.9mm hole
0.06g/pc 1.0&1.2&1.8mm hole
0.101g/pc 1.0&1.5&1.8mm hole