About this item

• Package includes: 4 pcs micro twist drill
• Product material: Adopting high quality white steel, wear-resistance, more durable in use.
• Product size: About 103MM long + about 10mm diameter clamping, handle diameter 0-3.0mm.
• Manual punching and reaming drill, non-electric tools.
• Suitable for glasses, PCB, handicraft, jewelry, watch making etc.not suitable for steel, iron stone, stone and other hard objects.