Specification Brand : BORDSTRACT BulletPoint1 : Adopting nanotechnology and advanced grinding technology, the l of tungsten steel makes it is long time to use and wear‑resist. BulletPoint2 : Small resistance, good chip removal effect, const cuing edge, fast processing speed BulletPoint3 : Humanized positioning ring box cover design, reducing machine deging time. BulletPoint4 : The kit contains 10 miniature twist drills of different sizes, which are suitable for deep hole processing in different situations. BulletPoint5 : The high‑quality packaging box beer protects the tip of the knife from acci damage during transportation. FinishType : Finished ItemName : BORDSTRACT 10Pcs PCB Drill Bit Straight Handle Twist, Tungsten Steel Mini Punch Tool Set, 0.1 to 1.0mm Hand Drill Micro Mini Twist Drill ItemPackageDimensions_Height : 1 centimeters ItemPackageDimensions_Length : 13 centimeters ItemPackageDimensions_Width : 10 centimeters ItemTypeKeyword : extra-long-drill-bits Manufacturer : BORDSTRACT ModelName : Dpofirst3akbzfcwp ModelNumber : BORDSTRACT1nazydfg65 NumberOfItems : 1 PartNumber : BORDSTRACT1nazydfg65 ProductDescription : Item Type: PCB Drill Bit l: Tungsten steel Specification: 0.1mm, 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1.0mm Package List:10 x PCB Drill Bit