Features:
High hardness, performed well in cutting and drilling. Excellent workmanship, stable performance and durable. Great for electronics, PBC, crafts, jewelry, watch making. Used with a hand drill, power drill, or pin vise, pin drill kit, bit vise, hand drills. Comes with a high quality blow molding storage box, twist drills in every sizes have their own slot. Specifications:
Name:Mini Twist Drill Bit Kit
Balance: +/- .003"tolerance
Material:High speed steel
Color: Silver
Size0.3mm, 0.35mm, 0.4mm, 0.45mm, 0.5mm, 0.55mm, 0.6mm, 0.65mm, 0.7mm, 0.75mm, 0.8mm, 0.85mm, 0.9mm, 0.95mm, 1.0mm, 1.2mm, 1.3mm, 1.4mm, 1.5mm, 1.6mm.

Package includes:
1xMini Twist Drill Bit Kit(20pcs)

Note:
Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you.
At the trepanning,please wear good protective measures,in case of wood chips splash damage eyes.