Product information:
Material: combined corundum
Specifications: 4mm cylindrical (2.35mm handle),5mm cylindrical (2.35mm handle),6mm cylindrical (2.35mm handle),8mm cylindrical (2.35mm handle),10mm cylindrical (2.35mm handle),12mm cylindrical (2.35mm handle),4mm bullet type (2.35mm handle),5mm bullet type (2.35mm handle),6mm bullet type (2.35mm handle),8mm bullet type (2.35mm handle),10mm bullet type (2.35mm handle),12mm bullet type (MM handle),100 sets