材料：ステンレス鋼
The item contains 18 pcs 115mm long drill bits
The diameters are as follow:
0.8mm
1.0mm
1.2mm
1.5mm
1.8mm
2.0mm
2.2mm
2.5mm
2.7mm
2.8mm
3.0mm
3.2mm
3.5mm
3.8mm
4.0mm
4.2mm
4.5mm
4.8mm
One piece for each size
ステンレス鋼