[Hexagonal 4-12 black]
[Hexagonal 4-20 gold]
[Hexagonal 3pcs black with opp]
[Hexagonal 3pcs gold with opp]
[Hexagonal 3-12 gold]
[Hexagonal 4-12 gold]
[Hexagonal 3-12 black]
[Hexagonal 4-20 black]
3-12Mm 4-12Mm 4-20Mm 4-32Mm ステップドリルビットセット材質:ハイス鋼