Microneedle Roller Set BLF-2119

{"features": ["6D nano-grade high-purity silicon crystal head", "Contact point diameter is one-thousandth of hair thickness", "Larger chip contact area", "Absorption rate can be increased by 80%", "Multiple height specifications available"], "specifications": [{"label": "Material", "value": "ABS + PC + Glass"}, {"label": "Crystal Head Material", "value": "Silicon Crystal"}, {"label": "Chip Area", "value": "6*6mm"}, {"label": "Operation Method", "value": "Manual"}, {"label": "Product Size", "value": "22mm * 53mm"}]}